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Name Community Reward Solved by Diff. Attempted by Diff. Success ratio Feedbacks Creation date Tags
Onboarding 5 xp 1300887 +862 1541643 +989 84.38% 4.65
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65425129695679594855
 2014-08-10 Conditions

Easy

Name Community Reward Solved by Diff. Attempted by Diff. Success ratio Feedbacks Creation date Tags
Power of Thor - Episode 1 50 xp 280956 +118 450371 +208 62.38% 4.45
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1522170772080342355
 2014-07-23 Conditions
Temperatures 50 xp 174774 +73 243485 +104 71.78% 4.29
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974359142305417399
 2014-07-23 ArraysConditionsLoops
ASCII Art 50 xp 89145 +38 134931 +66 66.07% 4.45
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63802703739180221
 2014-07-23 ArraysLoopsStrings
Chuck Norris 50 xp 74793 +24 103439 +31 72.31% 4.28
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39692258834281161
 2014-07-23 ConditionsEncodingLoopsStrings
MIME Type 50 xp 61630 +26 75123 +29 82.04% 4.24
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29091989825147111
 2014-07-23 ConditionsHash tablesLoopsStrings
Defibrillators 50 xp 55470 +52 65219 +76 85.05% 4.28
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27961693656139109
 2014-07-23 DistancesLoopsTrigonometry
Horse-racing Duals 75 xp 71338 +39 92408 +44 77.20% 4.29
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3644237293616589
 2014-07-23 Loops
Mars Lander - Episode 1 75 xp 141356 +39 185240 +69 76.31% 4.30
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596927871427363194
 2014-08-10 Conditions
The Descent 50 xp 453686 +252 845807 +455 53.64% 4.37
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22986972238517781077
 2016-03-03 Loops
Brackets, extreme edition. x 50 xp 7833 +3 9172 +4 85.40% 4.39
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7324471382110
 2016-02-23
May the Triforce be with you! x 50 xp 4836 +3 5981 +5 80.86% 4.28
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3792211131211
 2016-03-25 Ascii ArtLoops
XML MDF-2016 x 50 xp 1384 +1 1548 +1 89.41% 4.27
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1241014141
 2016-05-17
Jack Silver: The Casino x 50 xp 2212 2646 83.60% 4.06
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178124802111
 2016-07-08
Rugby score x 50 xp 2340 +2 3079 +1 76.00% 4.24
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23715265169
 2016-08-09
How time flies x 50 xp 1862 3666 50.79% 3.45
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1531241107659
 2016-08-18
Nature of quadrilaterals x 50 xp 1711 2446 69.95% 4.22
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193128491012
 2016-09-14 GeometryMathematicsStringsTrigonometry
Balanced ternary computer: encode x 50 xp 2405 +1 3595 +1 66.90% 4.24
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243118552212
 2016-09-21
Bulk Email Generator x 50 xp 1377 2102 65.51% 4.14
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144105361511
 2016-11-04
Horse-racing Hyperduals x 50 xp 1526 +3 1965 +7 77.66% 4.19
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1479651143
 2016-11-13 Loops
Self-driving car testing x 50 xp 1321 +2 1949 +2 67.78% 4.23
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1519834137
 2016-11-16
Monday Tuesday Happy Days x 50 xp 997 +1 1373 +1 72.61% 4.08
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99885284
 2017-05-03
What's so complex about Mandelbrot? x 50 xp 996 1287 77.39% 3.99
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9884421410
 2017-10-21
The River I. x 50 xp 8456 +1 10017 +1 84.42% 4.40
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10365911982614
 2017-10-23
The River II. x 50 xp 4239 +1 5290 +1 80.13% 4.36
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5112811012111
 2017-10-24
Text formatting x 50 xp 1498 +2 2121 +4 70.63% 4.10
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156108601610
 2017-11-03
The Travelling Salesman Problem x 50 xp 2628 +2 3444 +1 76.31% 4.29
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27917671157
 2017-11-24
Organic Compounds 🔬 x 50 xp 1356 2555 53.07% 4.23
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19195301616
 2017-12-01 String manipulation
Simple Awalé x 50 xp 1397 +1 1641 85.13% 4.16
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1371136055
 2017-12-06
Morellet’s random lines x 50 xp 610 +1 1159 +1 52.63% 3.93
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7745201314
 2018-01-18 ConditionsGeometryMathematics
Disordered First Contact x 50 xp 1469 +1 2438 +1 60.25% 4.16
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159137431112
 2018-06-14 Encoding
ISBN Check digit x 50 xp 2122 +1 2775 +1 76.47% 4.00
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195164812124
 2018-06-21 ArithmeticsCheck-digit
Bank Robbers x 50 xp 4965 +6 7415 +9 66.96% 4.42
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6553551011417
 2018-06-23 LoopsMathematics
1×1×1 Rubik’s cube movements x 50 xp 1354 1822 74.31% 4.13
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16498411715
 2018-06-27
orDer oF succeSsion x 50 xp 2114 3141 +1 67.30% 4.36
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312137551412
 2018-07-07 DFSGraphsPathfinding
Ghost Legs x 50 xp 8306 +14 11594 +24 71.64% 4.58
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1282549106145
 2018-08-30 Ascii ArtConditionsLoops
Add'em Up x 50 xp 1401 +5 1762 +6 79.51% 4.27
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16910826416
 2018-09-30 Greedy algorithmsSorting
Pirate's treasure x 50 xp 1938 +2 3233 +3 59.94% 4.22
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20713868511
 2018-09-30 ArraysConditionsLoops
Encryption/Decryption of Enigma Machine x 50 xp 3960 +3 5124 +7 77.28% 4.49
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628281581616
 2018-10-14 CryptographyEncodingString manipulationStrings
Rooks Movements x 50 xp 1058 +2 1734 61.01% 4.16
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1249435164
 2018-10-21 chessClassic board gamesConditionLoops
Rectangular block spinner x 50 xp 659 975 +1 67.59% 4.08
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784828143
 2018-10-27 String manipulation
Darts x 50 xp 1310 1685 77.74% 4.29
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1651353096
 2018-10-31 Collision DetectionGeometry
Dead men's shot x 50 xp 1820 +1 2961 61.47% 4.30
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23512156129
 2018-11-03 Dot productGeometry
Credit Card Verifier (Luhn’s algorithm) x 50 xp 2159 2394 90.18% 4.30
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2311307980
 2018-12-21
Hunger Games x 50 xp 1359 +1 2171 +3 62.60% 4.01
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155111572415
 2018-12-26 Sorting
The Dart 101 x 50 xp 858 +1 1534 +3 55.93% 3.98
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9978391015
 2019-01-04 Conditions
Brick in the Wall x 50 xp 1045 1171 89.24% 4.24
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105853461
 2019-02-09 Greedy algorithmsMathematics
Lumen x 50 xp 4602 +8 6816 +10 67.52% 4.46
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653346791312
 2019-02-20 2D arrayLoops
Blowing Fuse x 50 xp 2062 +1 2783 +3 74.09% 4.32
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2301586136
 2019-02-27 Conditions
Stall tilt x 50 xp 423 617 68.56% 4.03
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524111115
 2019-06-07 Physics
1D Spreadsheet x 50 xp 4836 +12 7092 +20 68.19% 4.61
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90233748157
 2019-06-21 Dependency GraphLazy EvaluationMemoization
Hooch Clash x 50 xp 371 +1 648 +4 57.25% 3.24
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3424281225
 2019-06-23 Brute-forceDiophantine EquationHoochNumber theoryReading the statement
Count as I count x 50 xp 501 724 69.20% 4.25
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66401553
 2019-07-09 Combinatorics
Are The Clumps Normal x 50 xp 412 434 94.93% 4.12
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50291436
 2019-07-10 Number theory
Smooth! x 50 xp 368 399 92.23% 4.00
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532015134
 2019-07-10 Brute-forceFruitNumber theoryReading the statementSmooth
A child's play x 50 xp 1312 +1 2117 +4 61.97% 4.47
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2411122395
 2019-07-13
Detective Pikaptcha EP1 x 50 xp 2605 +2 3579 +1 72.79% 4.43
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32416857111
 2019-07-25 mazeneighbour count
Detective Pikaptcha EP2 x 50 xp 1456 +1 2975 +5 48.94% 4.44
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2431072689
 2019-07-25 mazeSimulation
Happy Numbers x 50 xp 2040 +5 2815 +6 72.47% 4.36
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2571426843
 2019-08-01 Data TypesLoops
Dolbear's Law x 50 xp 588 719 81.78% 3.98
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684737105
 2019-08-08 AverageFormulas
Hello, World! x 50 xp 289 608 +1 47.53% 3.58
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392019199
 2019-08-25 GeolocationGreat-circle distanceSexagesimal systemTrigonometry
Rectangle Partition x 50 xp 3020 +6 5334 +10 56.62% 4.52
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53220861155
 2019-09-16 ArraysLoops
Unit Fractions x 50 xp 1310 +1 1988 +1 65.90% 4.38
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21010534152
 2019-09-30 Data TypesNumber theory
Graffiti on the fence x 50 xp 1465 +3 2179 +3 67.23% 4.44
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2511173377
 2019-11-22 Array forbiddenRange
Create the longest sequence of 1s x 50 xp 1618 +10 2033 +13 79.59% 4.44
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2121193044
 2019-12-05 String manipulation
1D Bush Fire x 50 xp 880 +2 1230 +3 71.54% 4.38
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113742231
 2020-01-06 💦💦💦🔥🔥🔥
Rock Paper Scissors Lizard Spock x 50 xp 3078 +9 4370 +19 70.43% 4.52
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4832264767
 2020-03-20 LizardRock Paper ScissorsSpock
TicTacToe x 50 xp 732 +2 1365 +3 53.63% 4.28
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96502093
 2020-04-17 2D arrayConditionsSimulationString manipulation
Van Eck's sequence x 50 xp 932 +3 1398 +3 66.67% 4.33
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1459926102
 2020-04-30
Sudoku Validator x 50 xp 2383 +10 3559 +15 66.96% 4.43
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3291875493
 2020-05-07
Auto pickup x 50 xp 286 +2 337 +3 84.87% 4.16
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44261153
 2020-05-31 ParsingString manipulation
A mountain of a mole hill x 50 xp 221 +1 469 +2 47.12% 4.37
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5318543
 2020-06-05
The lost child.Episode-1 x 50 xp 348 +1 578 +2 60.21% 4.42
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7428535
 2020-07-02 2D arrayPathfinding
Benford's law x 50 xp 300 +4 322 +3 93.17% 4.31
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48201331
 2020-07-16 Probability
Murder in the village! x 50 xp 151 260 58.08% 4.24
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3313922
 2020-08-06 LogicRegular expressions
Robot show x 50 xp 198 +1 282 +1 70.21% 4.32
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3923731
 2020-08-14 Strive for Simplicity
Dungeons and Maps x 50 xp 1135 +17 1665 +26 68.17% 4.51
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215822762
 2020-08-20 2D arrayLoopsPathfindingStrings
The Electrician Apprentice x 50 xp 124 162 76.54% 4.36
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3215521
 2020-08-30
Is that a possible word? EP1 x 50 xp 146 +3 169 +3 86.39% 4.17
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2517921
 2020-09-11 DFAState machine
7-segment scanner x 50 xp 948 +2 1627 +3 58.27% 4.33
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141862883
 2020-09-17 Ascii ArtConditionsLoopsString manipulation
Extended Hamming Codes x 50 xp 111 +1 143 +1 77.62% 4.23
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2514531
 2020-09-20 Error-correcting code
Flip The Sign x 50 xp 211 +1 262 +1 80.53% 3.87
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31181228
 2020-09-20 Grid
Reverse FizzBuzz x 50 xp 189 +4 272 +3 69.49% 4.31
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3511912
 2020-09-23
Prefix code x 50 xp 1382 +5 1813 +3 76.23% 4.50
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2341332513
 2020-09-27 decoderString manipulationTries
Logically reasonable inequalities x 50 xp 143 +1 197 +1 72.59% 4.30
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2216221
 2020-10-01 Graphs
Equivalent Resistance, Circuit Building x 50 xp 204 +2 259 +3 78.76% 4.41
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4428331
 2020-10-01 ParsingPhysics
Unique Prefixes x 50 xp 190 +1 360 +4 52.78% 4.28
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3719822
 2020-10-10 ArraysLoopsString manipulation
Tree Paths x 50 xp 184 +4 220 +7 83.64% 4.40
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3323420
 2020-10-21 Binary TreeGraphs
Nicholas Breakspeare and Hugh of Evesham x 50 xp 115 +2 181 +7 63.54% 3.43
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1610977
 2020-10-30 String manipulation
Decode the message x 50 xp 108 +6 146 +5 73.97% 3.83
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1781014
 2020-11-06 CryptographyEncodingModular calculus
Number derivation x 50 xp 64 +5 77 +7 83.12% 4.26
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209203
 2020-11-21 ArithmeticsMathematics

Medium

Name Community Reward Solved by Diff. Attempted by Diff. Success ratio Feedbacks Creation date Tags
Skynet Revolution - Episode 1 150 xp 35262 +15 61687 +25 57.16% 4.73
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30226861181320
 2014-07-16 BFSGraphs
The Last Crusade - Episode 1 100 xp 16590 +3 20748 +5 79.96% 4.41
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831462167196
 2014-07-23 Conditions
Mars Lander - Episode 2 150 xp 10140 +6 35077 +11 28.91% 4.64
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1099207482531
 2014-07-23 DistancesTrigonometry
Stock Exchange Losses 100 xp 20783 +8 24711 +14 84.10% 4.33
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10445982783711
 2014-07-23 ArraysConditionsLoops
Network Cabling 100 xp 10762 +6 14839 +16 72.53% 4.25
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4783091293216
 2014-07-23 DistancesLoopsMedians
Conway Sequence 100 xp 14638 +7 15984 +12 91.58% 4.36
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6393891342112
 2014-07-23 Sequences
Telephone Numbers 100 xp 13200 +3 16072 +5 82.13% 4.42
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668339130139
 2014-07-23 SetsTries
Dwarfs standing on the shoulders of giants 100 xp 10030 +1 12299 +2 81.55% 4.40
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47727886128
 2014-07-23 GraphsMemoizationRecursion
Bender - Episode 1 100 xp 9102 +2 14381 +3 63.29% 4.55
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778272701318
 2014-07-23 SimulationState machine
Scrabble 100 xp 13401 +5 16250 +7 82.47% 4.42
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7884381202315
 2014-07-23 ConditionsLoops
The Gift 100 xp 12152 +1 14440 +2 84.16% 4.36
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536369129141
 2014-07-23 Greedy algorithms
Mayan Calculation 100 xp 9140 11159 +1 81.91% 4.43
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51426668199
 2014-07-23 RadixStrings
Shadows of the Knight - Episode 1 100 xp 50075 +41 114126 +95 43.88% 4.60
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5492169139972109
 2014-08-10 Binary searchIntervals
Don't Panic - Episode 1 100 xp 26698 +11 37653 +14 70.91% 4.47
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17788302375418
 2014-10-25 Conditions
War 100 xp 16652 +5 25412 +4 65.53% 4.19
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473256975532
 2015-02-03 Queues
There is no Spoon - Episode 1 100 xp 50700 +18 108426 +33 46.76% 4.40
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3419179351711097
 2015-04-25 Lists
ANEO Sponsored Puzzle 100 xp 8480 +11 24006 +45 35.32% 4.11
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274176423037
 2018-06-25 ArithmeticsIntervalsLoopsMathematics
Game of life x 50 xp 1933 2525 76.55% 4.35
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1631174511
 2016-02-23
Vote counting x 50 xp 769 965 +1 79.69% 3.98
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44472962
 2016-02-23
Gravity x 50 xp 3037 3568 85.12% 4.39
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2101235031
 2016-02-23
Dominoes Path x 50 xp 289 394 73.35% 4.27
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2313720
 2016-02-23
Bust speeding vehicles x 50 xp 1118 1432 78.07% 4.13
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88623565
 2016-02-23
Ascii Graph x 50 xp 1074 +1 1319 +1 81.43% 4.37
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102652041
 2016-02-23
Reverse Polish Notation x 50 xp 420 645 65.12% 3.47
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3026261212
 2016-02-23 Reverse Polish NotationStack
Minimal number of swaps x 50 xp 2429 3203 75.84% 4.15
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1037934114
 2016-02-23
Rubik® x 50 xp 2270 2688 84.45% 3.86
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123106693411
 2016-02-23
CGS minifier x 50 xp 451 551 81.85% 4.24
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32231111
 2016-02-23
The Fastest x 50 xp 5383 6488 +2 82.97% 3.85
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2222082283411
 2016-02-23
DDCG Mapper x 50 xp 934 1132 82.51% 4.18
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72523431
 2016-02-23
Maze x 50 xp 807 1106 72.97% 4.51
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107561012
 2016-02-23
The Ultimate Test x 50 xp 308 450 68.44% 4.04
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2316823
 2016-02-24
These Romans are crazy! x 50 xp 1475 1912 77.14% 4.34
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80571812
 2016-03-06
Divine! x 50 xp 311 477 65.20% 4.26
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3320921
 2016-03-15
2.5D maze x 50 xp 310 937 33.08% 4.10
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38201072
 2016-03-23 BFSGraphsPathfinding
Othello x 50 xp 253 332 76.20% 4.36
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3017620
 2016-03-24 Classic board gamesConditionsStrings
Minesweeper x 50 xp 333 794 +1 41.94% 4.59
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6322330
 2016-04-06
Bulls and Cows x 50 xp 339 925 +1 36.65% 4.58
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5716502
 2016-04-06
Text alignment x 50 xp 1367 1694 +1 80.70% 4.24
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63552140
 2016-04-07
Snake encoding x 50 xp 936 1208 77.48% 4.42
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59351101
 2016-04-12
ASCII ART : Glass Stacking x 50 xp 1207 1670 72.28% 3.95
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51383084
 2016-04-18
Sum of divisors x 50 xp 1867 2744 68.04% 4.25
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109881948
 2016-05-29 ArithmeticsTricky
The Urinal Problem x 50 xp 848 1106 76.67% 4.17
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51372222
 2016-06-01
Ancestors & Descendants x 50 xp 1089 1416 76.91% 4.37
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69411720
 2016-06-06
CGFunge interpreter x 50 xp 697 912 76.43% 4.61
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8828910
 2016-06-08
Anagrams x 50 xp 847 +1 1192 71.06% 4.18
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44331043
 2016-06-08 CryptographyString manipulation
The experience for creating puzzles x 50 xp 955 1180 80.93% 3.95
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676139115
 2016-07-08
Elementary cellular automaton x 50 xp 791 954 82.91% 4.46
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101511440
 2016-07-08
Simple fraction to mixed number x 50 xp 1100 1489 73.88% 4.20
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60421843
 2016-07-13
Queneau Numbers x 50 xp 473 533 88.74% 4.14
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28271121
 2016-07-13
Quaternion Multiplication x 50 xp 455 727 62.59% 4.56
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6627710
 2016-07-14 Arithmetics
Army ants x 50 xp 693 +1 911 76.07% 4.30
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48351610
 2016-08-16
Carmichael numbers x 50 xp 798 1229 +1 64.93% 3.86
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6641291212
 2016-08-26 ArithmeticsRecursion
OneWay City x 50 xp 382 828 46.14% 4.31
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5923953
 2016-08-31 Combinatorics
Langton's ant x 50 xp 718 978 73.42% 4.32
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84562013
 2016-09-05
Divide the factorial x 50 xp 620 1482 41.84% 4.29
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73281255
 2016-09-06 ArithmeticsPrimes
Reversed Look-and-say x 50 xp 475 +1 751 +1 63.25% 4.37
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5134541
 2016-09-14 LoopsString manipulation
Near-Palindromes x 50 xp 297 426 69.72% 4.32
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4218732
 2016-09-19 Brute-forcePalindrome
Texas Holdem x 50 xp 238 531 44.82% 4.15
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3418472
 2016-09-21 Conditions
Brackets, Enhanced Edition x 50 xp 504 765 65.88% 4.33
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64401422
 2016-10-22
2×2×2 Rubik’s cube movements x 50 xp 231 563 41.03% 4.15
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39161034
 2016-10-28 Group theoryListsRubik’s cubeStrings
Factorial vs Exponential x 50 xp 472 930 50.75% 4.37
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80262032
 2016-11-02 Mathematics
Advanced Tree x 50 xp 201 491 40.94% 3.99
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31231082
 2016-11-02
Gravity Tumbler x 50 xp 2337 3288 71.08% 4.46
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2941784322
 2016-11-05
Number of letters in a number - Binary x 50 xp 1242 +1 1619 76.71% 4.42
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1761012762
 2016-11-09
Next car license plate ? x 50 xp 824 +1 1117 +1 73.77% 4.44
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130871631
 2016-11-11
Horse-hyperracing Hyperduals x 50 xp 178 272 65.44% 4.37
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358323
 2016-11-17
Folding Paper x 50 xp 1365 1696 80.48% 4.49
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2171372810
 2016-11-24
Micro Assembly x 50 xp 1492 +2 1765 +1 84.53% 4.72
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302821310
 2016-11-25
Cards castle x 50 xp 1179 1554 75.87% 4.35
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1531153631
 2016-12-08
Magic stones x 50 xp 1532 2157 71.02% 4.36
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1711213371
 2016-12-14
Sandpile addition x 50 xp 1262 1611 78.34% 4.31
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1521234630
 2017-03-08
Hidden word x 50 xp 917 2093 43.81% 4.32
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129812393
 2017-05-07 ConditionsStrings
Bruce Lee x 50 xp 1036 1329 77.95% 4.33
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129992615
 2017-06-07 Encoding
Numeral system x 50 xp 526 761 69.12% 4.23
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70502242
 2017-09-02
1010(1) x 50 xp 299 +1 361 +1 82.83% 4.00
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25281142
 2017-09-24
A-star exercise x 50 xp 281 512 54.88% 4.38
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4922632
 2017-10-01 A*Heuristic searchPathfinding
Minimax exercise x 50 xp 301 +1 566 +3 53.18% 4.52
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6324422
 2017-10-07 Minimax
Monthly System x 50 xp 337 390 86.41% 4.01
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36189102
 2017-10-16
Porcupine Fever x 50 xp 1019 +3 1454 +5 70.08% 4.15
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122914976
 2017-10-23 ArithmeticsLoops
Magic Square x 50 xp 590 733 80.49% 3.91
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51463466
 2017-10-28
Count of Primes in a number grid x 50 xp 409 +1 600 68.17% 4.17
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54332033
 2017-10-29 2D arrayPrimes
Gravity Centrifuge x 50 xp 136 166 81.93% 4.32
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239122
 2017-11-08
Find the replacement x 50 xp 331 408 81.13% 4.01
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40281237
 2017-11-22
2048 scores x 50 xp 153 284 53.87% 4.06
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2513652
 2017-12-09 Recursion
Plight Of The Fellowship Of The Ring x 50 xp 167 292 57.19% 4.15
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2914524
 2017-12-15 GraphsPathfinding
Bingo! x 50 xp 361 534 67.60% 4.28
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59292320
 2017-12-17
Gravity Centrifuge Tuning x 50 xp 149 192 77.60% 4.39
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336223
 2017-12-19
The Grand Festival - I x 50 xp 374 752 +1 49.73% 4.67
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7819610
 2017-12-31 Dynamic programmingRecursion
Box of Cigars x 50 xp 288 433 +1 66.51% 4.41
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4120711
 2018-01-06 MathematicsSequences
Polydivisible number x 50 xp 223 300 74.33% 3.77
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23241265
 2018-01-09
The Grand Festival - II x 50 xp 221 273 80.95% 4.42
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3812313
 2018-01-21 Dynamic programmingRecursion
Format string validation x 50 xp 233 330 70.61% 4.02
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25101422
 2018-01-21
Flood fill Example x 50 xp 376 633 59.40% 4.22
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65381327
 2018-02-20 BFSFlood fill
Paper labyrinth x 50 xp 275 474 58.02% 4.54
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5119402
 2018-05-09 BFSCompressionGraphsPathfindingStrings
Brackets, Ultimate Edition x 50 xp 168 290 57.93% 4.41
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2713420
 2018-06-06
De-FizzBuzzer x 50 xp 191 258 +1 74.03% 4.19
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2615731
 2018-06-07
Bag of Balls x 50 xp 174 278 62.59% 4.17
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2513314
 2018-06-08 MathematicsProbability
Simplified Monopolyâ„¢ Turns Prediction x 50 xp 191 233 81.97% 4.42
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2318400
 2018-06-17
Bulgarian solitaire x 50 xp 517 701 73.75% 4.36
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72471621
 2018-06-26
Trits (Balanced Ternary Computing) x 50 xp 186 211 88.15% 4.37
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2121400
 2018-06-26 MathematicsParsingPattern recognition
Depot organization x 50 xp 203 549 +1 36.98% 4.59
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3816400
 2018-06-26 Brute-forceTiling
The Optimal Urinal Problem x 50 xp 255 516 +1 49.42% 4.61
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4413410
 2018-07-01
Brackets, Extended Edition x 50 xp 640 943 67.87% 4.49
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106511340
 2018-07-18
Counting Squares on Pegs x 50 xp 305 723 42.19% 4.36
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5126704
 2018-08-14 Geometry
Kaprekar's routine x 50 xp 177 202 87.62% 4.35
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2421211
 2018-09-17
Maximum sub-sequence x 50 xp 248 287 86.41% 4.38
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2618510
 2018-09-19
Remainder Fantasy x 50 xp 102 132 77.27% 4.24
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193412
 2018-09-22 Remainder Theorem
Locked in gear x 50 xp 348 689 50.51% 4.56
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7928612
 2018-09-23 BFSDFSGraphs
Short accounts make long friends x 50 xp 162 345 46.96% 4.40
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3017411
 2018-09-23
Dice probability calculator x 50 xp 511 +1 1175 +1 43.49% 4.70
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12731421
 2018-09-28
Number of paths between 2 points x 50 xp 507 731 69.36% 4.42
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71471111
 2018-09-29 2D arrayDynamic programmingPathfinding
Enigma - 3 rotors without plugboard x 50 xp 88 117 75.21% 3.83
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136442
 2018-10-15 Cryptography
Guessing n Cheating x 50 xp 737 +1 1409 +2 52.31% 3.47
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6864372136
 2018-10-17 ConditionsLogicSets
HTML table cell split x 50 xp 94 174 54.02% 3.92
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124531
 2018-10-18 Topology
Straddling Checkerboard Cryptography x 50 xp 94 126 74.60% 4.04
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147403
 2018-10-22 Cryptography
Digit sum successor x 50 xp 404 1018 39.69% 4.30
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73381182
 2018-10-25 Mathematics
2-player game on a calculator x 50 xp 189 448 +1 42.19% 4.53
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4414402
 2018-11-08 Dynamic programming
Guessing digits x 50 xp 93 277 33.57% 3.26
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1561610
 2018-11-10 Guessing digitsLogic
Equalizing arrays x 50 xp 72 139 51.80% 4.27
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144202
 2018-12-06 ArithmeticsArrays
IP mask calculating x 50 xp 180 192 93.75% 4.04
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23111530
 2018-12-17
Dynamic sorting x 50 xp 317 603 +1 52.57% 4.46
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6023921
 2018-12-21 SortingString manipulation
Green Valleys x 50 xp 118 133 88.72% 4.40
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2412700
 2019-01-18
Goro Want Chocolate x 50 xp 287 510 +1 56.27% 4.61
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5419600
 2019-01-29 ChocolateDynamic programming
Domino Puzzle x 50 xp 74 99 74.75% 4.26
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177520
 2019-02-12 dominograph traversal
EUROPEAN RUGBY CHAMPIONS CUP RANKING x 50 xp 69 114 +1 60.53% 3.63
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95841
 2019-02-21
Find the winning strategy x 50 xp 113 193 58.55% 4.60
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307030
 2019-03-06 Nim game
Go competition x 50 xp 190 449 42.32% 4.30
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3528811
 2019-03-21 Classic board gamesFlood fillRecursion
Barcode scanner x 50 xp 221 364 60.71% 4.26
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3922642
 2019-03-28 barcodedecoder
Fishing With A Stick x 50 xp 72 130 55.38% 3.82
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125641
 2019-04-01 String manipulationStrings
Elliptic curve cryptography x 50 xp 49 71 69.01% 4.00
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93112
 2019-04-08 CryptographyDouble-and-addElliptic CurveModular calculus
Criminal x 50 xp 85 144 59.03% 3.77
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138424
 2019-04-08 ListsStrings
Rearrange string to two numbers x 50 xp 129 510 25.29% 4.20
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1415510
 2019-04-16 Greedy algorithmsString manipulation
Seam Carving x 50 xp 103 229 44.98% 4.55
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314302
 2019-04-21 Dynamic programmingImage processing
Robbery optimisation x 50 xp 450 +1 969 46.44% 4.49
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92431031
 2019-04-22 Dynamic programmingMathematics
Palindromic Decomposition x 50 xp 89 +1 353 25.21% 4.18
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237513
 2019-04-25 Strings
Length of Syracuse Conjecture Sequence x 50 xp 177 +1 200 +1 88.50% 4.31
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2917602
 2019-04-25 MemoizationSequences
Shikaku Solver x 50 xp 88 301 29.24% 4.79
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293200
 2019-05-02
Regular polygons x 50 xp 197 352 55.97% 4.39
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4213423
 2019-05-09 Fermat primesGauss–Wantzel theorem
Road Trip x 50 xp 179 484 +1 36.98% 4.51
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4220510
 2019-06-03 Optimization
Jumping Frogs x 50 xp 81 122 66.39% 4.39
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198600
 2019-06-14 AlgebraBezout's identity
Forest Fire x 50 xp 196 624 31.41% 4.47
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4720412
 2019-06-17 2D arrayGreedy algorithmsLoops
Sudoku Solver x 50 xp 397 897 +2 44.26% 4.52
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8721914
 2019-06-28 Backtracking
Knights Jam x 50 xp 227 +2 463 +3 49.03% 4.55
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4919501
 2019-06-29 chessCombination puzzleFifteen puzzle
Plague, Jr x 50 xp 651 1361 47.83% 4.29
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112441788
 2019-06-30 Graph theoryTrees
Smooth Factory x 50 xp 43 63 68.25% 4.19
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124311
 2019-07-11 FruitNumber theoryReading the statementSmoothStreams
Detective Pikaptcha EP3 x 50 xp 225 353 +1 63.74% 4.07
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368755
 2019-07-25 mazeMobiusMoebiusSimulation
Battleship x 50 xp 96 262 36.64% 4.31
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2312430
 2019-08-01 2D arrayConditions
Surakarta x 50 xp 61 +1 239 +1 25.52% 4.38
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156500
 2019-08-13 BacktrackingLoopsRecursion
Identifying data structure x 50 xp 108 +1 167 +1 64.67% 4.49
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2311201
 2019-08-19 Priority QueueQueueStack
A story to go in circles x 50 xp 161 271 59.41% 3.63
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21151148
 2019-08-20
Fun with Set theory x 50 xp 88 144 61.11% 4.51
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255401
 2019-08-21 ParsingSet theory
Dice galaxy x 50 xp 51 72 70.83% 3.50
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94443
 2019-09-03
A Coin Guessing Game x 50 xp 65 80 81.25% 4.38
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173202
 2019-09-06
Let's Go To The Cinema! x 50 xp 44 61 72.13% 3.94
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92402
 2019-09-09 RecursionSimulationStack
Windmill problem x 50 xp 80 200 +1 40.00% 4.58
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235120
 2019-09-17 angleMemoizationrotationwindmill
Photo Booth Transformation x 50 xp 181 331 54.68% 4.66
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4114300
 2019-09-21 Image processingMathematicsPermutations
Light Bulbs x 50 xp 193 470 41.06% 4.66
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5114500
 2019-09-27 💡💡💡💡💡
Fair Numbering x 50 xp 387 806 48.01% 4.55
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9233912
 2019-10-19 Digit countsRange
Rational Number Tree x 50 xp 236 318 +1 74.21% 4.71
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6212410
 2019-11-03 Binary TreeRational Numbers
Chained Matrix Products x 50 xp 50 75 66.67% 4.40
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125210
 2020-01-05 ComplexityDynamic programmingMatrix productOptimization
Bit count to limit x 50 xp 81 118 68.64% 4.16
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186403
 2020-01-22 Mathematics
Hacking at RobberCity x 50 xp 66 +1 79 +1 83.54% 4.23
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143302
 2020-01-30 CipherCryptographyXOR
Halting sequences x 50 xp 58 93 62.37% 3.82
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88222
 2020-01-30 Mathematics
Binary Search Tree Traversal x 50 xp 104 143 +1 72.73% 4.49
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229310
 2020-02-06 Binary Treegraph traversal
3×N Tiling x 50 xp 60 182 32.97% 4.33
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154320
 2020-02-08 Dynamic programmingTiling
Propositions in Frege’s ideography x 50 xp 34 58 58.62% 4.50
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63100
 2020-03-23 Ascii ArtGraphsLogic
Rock-Paper-Scissors War x 50 xp 235 +1 380 +2 61.84% 4.62
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5622310
 2020-04-20 Rock Paper Scissors
Playfair Cipher x 50 xp 62 77 80.52% 4.17
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109301
 2020-04-24 Cryptography
Blood Types x 50 xp 167 250 66.80% 4.19
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30241130
 2020-04-25 Blood TypesGenetics
Futoshiki Solver x 50 xp 58 102 56.86% 4.61
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174110
 2020-05-18 Backtracking
Crossword x 50 xp 144 427 +1 33.72% 4.55
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3914401
 2020-05-27
Duck Hunt x 50 xp 74 85 87.06% 4.23
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216431
 2020-07-28
Source Code Analyser x 50 xp 34 56 60.71% 3.75
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62112
 2020-07-31 ParsingString manipulation
Huffman Code x 50 xp 241 +3 378 +1 63.76% 4.51
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4822520
 2020-08-01 CompressionGreedy algorithmsTrees
What the Brainfuck ! x 50 xp 424 +1 601 +2 70.55% 4.60
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10934840
 2020-08-01 brainfuckinterpreter
The Polish Dictionary x 50 xp 36 45 80.00% 3.80
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64221
 2020-08-02 Reverse Polish NotationStack
Battle Tower x 50 xp 31 56 55.36% 4.50
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131011
 2020-08-11 GraphsGreedy algorithms
Target Firing x 50 xp 378 +1 915 +2 41.31% 4.61
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10329731
 2020-08-18 ArithmeticsListsLoops
Smile! Frieze! Cheese! x 50 xp 28 36 77.78% 4.33
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62001
 2020-08-25 GeometryMathematicsPattern recognitionTransformations
Escaping the cat x 50 xp 164 790 +1 20.76% 4.46
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6027821
 2020-08-28 DistancesTrigonometry
English length units conversion x 50 xp 35 49 71.43% 4.35
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113201
 2020-09-01 BFSGraphsUnit propagation
Particle Detection with Cloud Chamber x 50 xp 20 26 76.92% 4.58
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83100
 2020-09-17 Ascii ArtGradient descentLeast-squaresPhysicsStrings
Virus spreading and clustering x 50 xp 33 36 91.67% 4.23
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73210
 2020-09-17 clustering
Find the liars x 50 xp 26 29 89.66% 3.50
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44103
 2020-09-21 LogicTrees
Minesweeper x 50 xp 26 122 21.31% 4.35
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122111
 2020-10-21
The lost files x 50 xp 137 +32 284 +50 48.24% 4.51
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3718211
 2020-11-03 GeometryGraph theorygraph traversalTopology
Assignments are boring x 50 xp 24 28 85.71% 4.00
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42210
 2020-11-06 Counting sortLogical problem
Cistercian Numerals x 50 xp 17 +2 21 +1 80.95% 2.56
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21114
 2020-11-17 EncodingString manipulation
Rod cutting problem x 50 xp 18 +2 25 +2 72.00% 4.38
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43100
 2020-11-20 Dynamic programmingMemoization

Hard

Name Community Reward Solved by Diff. Attempted by Diff. Success ratio Feedbacks Creation date Tags
Skynet Revolution - Episode 2 250 xp 4792 +2 17048 +8 28.11% 4.80
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790972195
 2014-07-23 GraphsPathfinding
The Bridge 375 xp 2195 +1 8957 +6 24.51% 4.63
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260611935
 2014-07-23 DFSBacktracking
The Labyrinth 250 xp 4794 +8 26794 +19 17.89% 4.72
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70813029611
 2014-07-23 BFSPathfinding
Power of Thor - Episode 2 250 xp 1062 +1 5752 +2 18.46% 4.50
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9637752
 2014-07-23 BarycentersPathfinding
Super Computer 250 xp 3266 +6 4769 +7 68.48% 4.43
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189922954
 2014-07-23 Greedy algorithmsScheduling
Roller Coaster 375 xp 4472 +7 6644 +7 67.31% 4.59
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3571412933
 2014-07-23 Dynamic programmingSimulation
CGX Formatter 250 xp 2777 +4 3831 +6 72.49% 4.37
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149653444
 2014-07-23 ParsingStrings
TAN Network 250 xp 1675 +1 2596 +2 64.52% 4.32
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95442054
 2014-07-23 DistancesGraphsPathfindingTrigonometry
Genome Sequencing 250 xp 2787 +6 3973 +6 70.15% 4.39
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147592447
 2014-07-23 PermutationsStrings
Surface 250 xp 3320 +8 4369 +7 75.99% 4.58
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198861412
 2014-07-23 BFSFlood fillMemoizationRecursion
Bender - Episode 2 250 xp 2347 +4 3317 +5 70.76% 4.58
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140541501
 2014-07-23 Dynamic programmingMemoizationPathfindingRecursion
Bender - Episode 3 250 xp 1561 +5 2699 +5 57.84% 4.20
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64372062
 2014-07-23 Regression analysis
The Last Crusade - Episode 2 250 xp 925 3684 25.11% 4.59
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9025423
 2014-07-23 BacktrackingPathfinding
Vox Codei - Episode 1 250 xp 1660 4766 +1 34.83% 4.67
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16053512
 2014-09-27 DFSBrute-forceSimulation
Don't Panic - Episode 2 250 xp 1003 7020 +6 14.29% 4.67
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16845523
 2014-10-25 Pathfinding
There is no Spoon - Episode 2 250 xp 1032 6578 +2 15.69% 4.74
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15122423
 2015-04-25 BacktrackingRecursion
Winamax Sponsored Contest 250 xp 1038 +1 6526 15.91% 4.61
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6319411
 2016-11-18 BacktrackingRecursion
Cryptarithm x 50 xp 289 598 +1 48.33% 4.58
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3213210
 2016-02-23
Mystery sums x 50 xp 470 1029 45.68% 4.30
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4433940
 2016-02-23
Alternative vote x 50 xp 406 685 59.27% 4.08
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4029827
 2016-02-23
Mini sudoku solver x 50 xp 619 +1 887 +1 69.79% 4.43
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6027940
 2016-02-23
Test before Validate! x 50 xp 248 564 +1 43.97% 3.08
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197111015
 2016-02-23
Castle Siege x 50 xp 279 411 67.88% 4.43
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3110620
 2016-02-23
TXT2HTML x 50 xp 351 470 74.68% 4.17
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187820
 2016-02-23
Boggle x 50 xp 458 854 53.63% 4.48
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5934421
 2016-02-23
Connect four x 50 xp 303 476 63.66% 4.32
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2010610
 2016-03-04
Spreadsheet Labels x 50 xp 581 1088 53.40% 4.35
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59371131
 2016-03-09
Candies x 50 xp 534 816 65.44% 4.15
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38351830
 2016-03-14
Electrical grid x 50 xp 232 484 47.93% 4.38
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2911611
 2016-03-22
Binary Permutations x 50 xp 258 550 46.91% 4.42
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379920
 2016-03-26
Tetris x 50 xp 165 256 64.45% 3.89
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1311831
 2016-03-27
Erdős Number x 50 xp 174 243 71.60% 4.34
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168410
 2016-03-28
Disks intersection x 50 xp 298 409 72.86% 3.97
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1361210
 2016-03-31
Simplify Selection Ranges x 50 xp 1763 2550 69.14% 4.09
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50602442
 2016-04-06
The Holy Grail x 50 xp 445 700 63.57% 4.34
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53421220
 2016-04-08
Universe Conquest x 50 xp 117 +1 184 +1 63.59% 4.33
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92400
 2016-04-12
7-segment display x 50 xp 769 +1 1338 57.47% 3.99
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48261748
 2016-04-12
Chess cavalry x 50 xp 575 842 68.29% 4.62
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4014400
 2016-05-14
Simple safecracking x 50 xp 1385 2151 64.39% 4.20
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94512467
 2016-07-05
Vortex x 50 xp 364 705 51.63% 4.43
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53341100
 2016-07-19
Fractal Carpet x 50 xp 346 584 59.25% 4.63
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3710310
 2016-07-24
Chess moves on FEN position x 50 xp 268 423 63.36% 4.29
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216421
 2016-07-27
Einstein's riddle solver x 50 xp 148 535 27.66% 4.72
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348001
 2016-08-08
The greatest number x 50 xp 3048 5014 60.79% 3.88
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1591911143114
 2016-08-09
KGood x 50 xp 533 915 58.25% 4.22
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51551313
 2016-08-10
Egyptian multiplication x 50 xp 653 944 69.17% 3.77
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25262145
 2016-08-12
Elevator x 50 xp 1034 +1 2265 +1 45.65% 4.27
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89562462
 2016-08-31
Drawing Polygons x 50 xp 377 567 66.49% 4.11
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3534943
 2016-08-31
Hill Notation and Hill Order x 50 xp 235 474 49.58% 4.28
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168230
 2016-09-01
The Highest Building x 50 xp 338 519 65.13% 3.92
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21131251
 2016-09-02
The Beautiful sequence x 50 xp 207 351 58.97% 4.35
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255412
 2016-09-13
Google Interview - The Two Egg Problem x 50 xp 1747 2968 58.86% 4.24
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17162331810
 2016-09-30
Hangman x 50 xp 635 918 69.17% 4.21
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71462922
 2016-10-21
The Burglar's Dilemna x 50 xp 151 231 65.37% 4.76
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328100
 2016-10-26
Pascal Trapezoid x 50 xp 116 192 60.42% 4.27
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137600
 2016-10-29
Zergling rush x 50 xp 496 866 57.27% 4.63
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10939810
 2016-10-29
Misère Nim x 50 xp 131 361 36.29% 4.49
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2211400
 2016-11-05
Inertia ride x 50 xp 362 675 53.63% 4.16
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52261952
 2016-11-05
Laser and mirrors x 50 xp 304 553 54.97% 4.51
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5428411
 2016-11-13
Kolakoski Sequence x 50 xp 671 1048 64.03% 4.39
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91581821
 2016-11-22
To Sky's Edge x 50 xp 323 516 62.60% 4.42
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50321100
 2016-12-18
Execution Circle x 50 xp 220 340 64.71% 4.40
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3111530
 2016-12-19
The max surface box x 50 xp 487 930 52.37% 4.13
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49442322
 2016-12-20
Timer for Clash of Code x 50 xp 592 901 65.70% 3.81
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444530116
 2016-12-25
X egg problem x 50 xp 169 451 37.47% 4.62
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349310
 2016-12-26
Hit the road x 50 xp 173 309 55.99% 4.33
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2819203
 2017-01-10
Wall Street x 50 xp 116 180 64.44% 3.55
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114662
 2017-01-15
Rocket mice x 50 xp 79 122 64.75% 4.16
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113311
 2017-02-24
Hanoi tower x 50 xp 382 697 54.81% 4.23
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50431612
 2017-02-25
n Queens x 50 xp 444 802 55.36% 4.13
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54271882
 2017-03-23
Turing machine x 50 xp 545 896 60.83% 4.61
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10643810
 2017-03-23
Binary neural network - Part 1 x 50 xp 125 496 25.20% 4.44
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2710501
 2017-03-24 Neural network
Levenshtein distance x 50 xp 442 785 +1 56.31% 4.29
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60301741
 2017-04-10
Cheat Solving x 50 xp 98 150 65.33% 4.46
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193130
 2017-04-10
Highest truncated pyramid x 50 xp 692 1376 50.29% 4.10
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986637144
 2017-04-15
The hungry duck - part 1 x 50 xp 866 1425 60.77% 4.34
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105632641
 2017-04-27
The hungry duck - part 2 x 50 xp 650 924 70.35% 4.52
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106371521
 2017-04-28
Code your own Automaton2000, step 1 x 50 xp 136 208 65.38% 4.25
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2211250
 2017-05-04
Longest Palindrome x 50 xp 581 +1 1427 +1 40.71% 4.39
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93532220
 2017-05-29 PalindromeStrings
Parsing context-free grammar x 50 xp 94 291 32.30% 4.45
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189400
 2017-07-06
Order of Oopserations! x 50 xp 176 255 69.02% 4.30
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2522411
 2017-07-25
Apple tree x 50 xp 553 834 66.31% 4.57
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10646920
 2017-10-17
Simple CPU Emulation 1 x 50 xp 484 704 68.75% 4.20
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78402274
 2017-10-22
Paper-folding curve x 50 xp 179 311 57.56% 4.70
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389300
 2017-10-26
Max Rect x 50 xp 213 490 43.47% 4.46
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4611821
 2017-10-27 Dynamic programming
Monte Carlo Tree Search exercise x 50 xp 108 180 60.00% 4.34
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1911320
 2017-11-27 Monte Carlo tree search
Magic count of numbers x 50 xp 208 389 53.47% 4.67
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5115400
 2017-12-17
Musical Intervals x 50 xp 98 130 75.38% 3.82
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118351
 2018-01-04
Expand the polynomial x 50 xp 515 1188 43.35% 4.07
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873919913
 2018-01-08 AlgebraMathematicsOutput formattingParsing
Dominoes solver x 50 xp 107 207 51.69% 4.23
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195303
 2018-02-21
Symbolic system of equations x 50 xp 73 92 79.35% 4.14
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73310
 2018-06-25 Cycle detectionGraphsRewriting
Horn-SAT solver x 50 xp 79 105 75.24% 4.47
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142201
 2018-06-26 DIMACSHorn-SATLogicSatisfiabilityUnit propagation
The Empire Enigma x 50 xp 156 320 48.75% 4.52
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336601
 2018-06-28 Cryptography
Factorials of primes decomposition x 50 xp 137 298 +1 45.97% 4.62
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396311
 2018-07-01 ArithmeticsMathematics
The Total is Right - Weird edition x 50 xp 109 279 39.07% 4.53
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235220
 2018-07-03 ArithmeticBrute-force
Breakout x 50 xp 70 217 32.26% 4.43
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101210
 2018-07-16
Dumbbells solver x 50 xp 104 254 40.94% 4.59
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196110
 2018-08-24
Sum of odd x 50 xp 129 172 75.00% 4.33
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2312103
 2018-08-25
Harmless Rooks x 50 xp 68 291 +1 23.37% 4.42
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133201
 2018-10-09 chessOptimization
Neighbor-Sum Grids x 50 xp 68 313 21.73% 4.39
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131301
 2018-10-11 BacktrackingExhaustive search
The Balanced Centrifuge Problem x 50 xp 73 261 27.97% 4.52
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183310
 2018-12-22 Dynamic programmingPrimes
Her Majesty's well shared secret x 50 xp 58 202 28.71% 4.69
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196100
 2019-02-02 CryptographyInterpolationMathematicsPolynomialsSecret sharing
Basic Decision Tree - 1 x 50 xp 52 129 +1 40.31% 3.83
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74511
 2019-02-18 Machine learning
11-puzzle x 50 xp 79 560 14.11% 4.77
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405101
 2019-03-29 A*Pathfinding
Closest Number x 50 xp 87 527 16.51% 4.51
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379511
 2019-03-30
Discrete Log Problem x 50 xp 48 81 59.26% 4.26
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114220
 2019-04-22 CryptographyModular calculus
Nonogram inversor x 50 xp 50 217 +1 23.04% 4.74
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223200
 2019-06-23
Basic Decision Tree - 2 x 50 xp 15 24 62.50% 3.33
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20220
 2019-06-23 Machine learning
Detective Pikaptcha EP4 x 50 xp 145 229 63.32% 4.51
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304520
 2019-07-25 3DcubemazeSimulation
Cloudy Weather x 50 xp 17 52 32.69% 4.70
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81100
 2019-10-18 CoordinatesShortest path
Big Bang Theory - Sheldon's Array Puzzle x 50 xp 21 34 61.76% 3.21
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61205
 2019-12-02 ArraysDynamic programmingOptimization
Mars Colonization x 50 xp 118 304 +1 38.82% 4.67
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422103
 2019-12-20 Graphs
A Game of Go x 50 xp 151 367 +1 41.14% 4.62
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4816220
 2020-05-15 2D arrayClassic board gamesFlood fill
Map Colorations x 50 xp 14 23 60.87% 4.75
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31000
 2020-05-29 CombinatoricsGraph theory
Bailey–Borwein–Plouffe Pi x 50 xp 24 34 70.59% 4.22
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43200
 2020-08-04 Number theoryPi
Chess board analyzer x 50 xp 201 626 32.11% 4.62
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6618710
 2020-08-07 2D arraychessLoopsStrings
Breaking Apart x 50 xp 21 25 84.00% 3.50
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12210
 2020-08-24 Greedy algorithmsLine breaksString manipulation
Jump Point Search - Preprocessing x 50 xp 11 23 47.83% 5.00
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40000
 2020-08-31 A*GridJump Point SearchPathfindingReading Comprehension
Encounter surface x 50 xp 20 +1 40 50.00% 4.75
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62000
 2020-09-08 GeometryMathematics
Thomas and the Freight Cars x 50 xp 24 50 +1 48.00% 4.67
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84000
 2020-09-21 Dynamic programmingSorting
Sokoban x 50 xp 9 49 +1 18.37% 4.71
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60100
 2020-10-02 BFSmazePathfinding
Doubly solved Rubik's cube x 50 xp 9 +1 16 +2 56.25% 4.75
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31000
 2020-10-14 Group theoryPermutationsRubik's cube
Flower beds x 50 xp 10 14 +1 71.43% 5.00
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80000
 2020-11-09 ArithmeticGeometryGrid

Expert

Name Community Reward Solved by Diff. Attempted by Diff. Success ratio Feedbacks Creation date Tags
The Last Crusade - Episode 3 500 xp 411 4457 +3 9.22% 4.45
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6411634
 2014-07-23 BacktrackingPathfinding
The Resistance 500 xp 2212 +1 5747 +8 38.49% 4.62
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317851866
 2014-07-23 Dynamic programmingEncodingMemoizationRecursion
Music Scores 500 xp 1162 2253 +1 51.58% 4.62
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10731902
 2014-07-23 EncodingImage processingPattern recognition
Mars Lander - Episode 3 750 xp 1041 4546 +3 22.90% 4.68
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176191225
 2014-07-23 DistancesTrigonometry
Shadows of the Knight - Episode 2 750 xp 1646 +6 11412 +15 14.42% 4.60
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3066417611
 2014-08-10 Binary searchIntervals
Vox Codei - Episode 2 500 xp 352 1866 18.86% 4.88
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
669000
 2014-09-29 DFSBrute-forcePattern recognitionSimulation
Nintendo Sponsored Contest 500 xp 441 21077 +6 2.09% 4.49
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573624
 2015-02-03 Cryptography
Staircases x 50 xp 313 749 41.79% 4.48
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3713402
 2016-02-23
Squares order x 50 xp 125 336 +1 37.20% 4.40
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236330
 2016-03-10
Haunted Manor x 50 xp 104 403 25.81% 4.85
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352200
 2016-03-16
Recurring Decimals x 50 xp 701 1772 39.56% 4.45
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52261010
 2016-03-29
The barnyard x 50 xp 362 1094 33.09% 4.55
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3112310
 2016-04-15
Fill the square! x 50 xp 142 444 31.98% 4.68
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233101
 2016-04-21
The Lucky Number x 50 xp 289 1351 +2 21.39% 4.36
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4817524
 2016-05-10
Flood the World x 50 xp 92 384 23.96% 4.21
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127320
 2016-06-07
The Crime Scene x 50 xp 194 562 34.52% 4.73
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426201
 2016-07-18
The water jug riddle from Die Hard 3 x 50 xp 175 433 40.42% 4.39
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229311
 2016-07-19
Heart of the City x 50 xp 204 824 24.76% 4.47
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263212
 2016-07-21
Sliding puzzle x 50 xp 191 493 38.74% 4.28
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2713730
 2016-08-15
Prime Transformations x 50 xp 174 534 +1 32.58% 4.11
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2618343
 2016-08-25
Spy the Spies x 50 xp 105 432 24.31% 4.32
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159301
 2016-08-27
Unflood The World x 50 xp 279 574 +1 48.61% 4.60
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6123202
 2016-08-31
CodinDice x 50 xp 90 347 25.94% 4.65
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195200
 2016-09-14
Chemical Equation Balancing x 50 xp 192 687 27.95% 4.50
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4212530
 2016-10-31
Hourglass x 50 xp 102 217 47.00% 3.72
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153662
 2016-11-14
Ticket to Ride: Europe x 50 xp 63 268 23.51% 4.68
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212101
 2016-11-23
Xorandor x 50 xp 97 388 25.00% 4.53
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257301
 2017-01-05
Binary neural network - Part 2 x 50 xp 102 257 39.69% 4.38
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218311
 2017-03-30
Skylines x 50 xp 272 836 +1 32.54% 3.92
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35322154
 2017-04-10
Cubax Folding x 50 xp 70 250 28.00% 4.44
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120310
 2017-05-07
The two piles difference x 50 xp 198 540 36.67% 4.39
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3718630
 2017-05-10
Hitori solver x 50 xp 95 381 24.93% 4.45
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1811101
 2017-07-07
Unfolding paper x 50 xp 122 394 30.96% 4.77
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389100
 2017-10-28
Dungeon Designer x 50 xp 93 256 +1 36.33% 4.70
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253020
 2017-11-30
Minimax Simple Example x 50 xp 96 344 27.91% 4.56
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3310410
 2018-01-03
Completed Mahjong Hands x 50 xp 99 276 35.87% 4.31
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
229122
 2018-03-10
High-rise buildings x 50 xp 87 291 29.90% 4.64
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
195001
 2018-05-26
CG Chat interpreter - Part 1 x 50 xp 59 91 64.84% 3.92
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
54301
 2018-07-16
Cross the lines x 50 xp 65 240 27.08% 4.88
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
150100
 2018-07-19 Graph theoryTopology
Breach x 50 xp 44 259 +1 16.99% 3.97
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
175224
 2019-08-05 LogicParsingPattern recognitionReverse engineeringStrings
Space Maze x 50 xp 6 148 4.05% 5.00
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
70000
 2019-12-03 mazePathfindingSimulation
When pigs fly x 50 xp 13 27 48.15% 4.67
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
42000
 2020-09-21 GraphsLogicParsing
Tiling by Squares x 50 xp 14 18 77.78% 4.83
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
51000
 2020-10-23

Codegolf

Name Community Solved by Diff. Nb. of solutions Diff. Feedbacks Creation date Tags
Don't Panic 6459 +6 12268 +12 4.45
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
38219448117
 2015-04-28 Conditions
Power of Thor 22365 +14 30951 +27 4.45
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
12996451902425
 2015-04-28 Conditions
Temperatures 12214 +17 17263 +23 4.38
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
9165172011718
 2016-01-28 ArraysConditionsLoops
Chuck Norris - Code Golf 2521 +17 3920 +18 4.44
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
3061663958
 2019-02-19 ConditionsEncodingLoopsstring

Optim

Name Community Solved by Diff. Attempted by Diff. Feedbacks Creation date Tags
Mars Lander 3103 +6 9475 +10 4.57
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
286892157
 2015-04-28 DistancesTrigonometry
Code of the Rings 3979 +7 9619 +8 4.62
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
4081223425
 2015-06-29 OptimizationPattern recognition
Code vs Zombies 4777 +15 17545 +31 4.66
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
83224040810
 2015-12-16 DistancesOptimizationSimulation
CodinGame Sponsored Contest 12490 +6 33861 +13 4.09
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
7021799867122
 2016-01-08 Reverse engineering
A*Craft 875 +2 1649 +2 4.56
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
9331722
 2018-10-23 OptimizationSimulation
Bender - Episode 4 x 38 831 +1 4.79
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
212010
 2019-02-10 OptimizationPathfinding
CGFunge Prime x 89 522 4.71
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
276001
 2019-07-29 CG FungePrimes
Number Shifting x 220 507 4.83
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
556110
 2020-01-08
Bulls and Cows 2 x 54 +1 252 +2 4.35
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
155102
 2020-03-03 Combinatorics
Search Race x 102 255 +2 4.81
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
384001
 2020-05-21 Beam SearchGenetic AlgorithmSimulated AnnealingSimulation
SameGame x 216 457 +1 4.69
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
5816201
 2020-08-12 Beam SearchFlood fillNRPASimulationTile-matching
2048 x 97 +1 130 +1 4.56
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
262202
 2020-10-06 Beam SearchSimulation

Multi

Name Community Feedbacks Creation date Tags
Tron Battle 4.83
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
345291004
 2014-03-03 Flood fillMinimaxPathfinding
Game of Drones 4.62
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
127281032
 2014-04-07 DistancesResource management
Poker Chip Race 4.35
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
45191012
 2014-09-01 DistancesSimulation
Platinum Rift - Episode 1 4.47
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
5716523
 2014-09-02 Multi-agentPathfindingResource management
Platinum Rift - Episode 2 4.67
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
7219311
 2015-01-30 Multi-agentPathfindingResource management
Great escape 4.54
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
108291033
 2015-02-23 MinimaxPathfinding
Back to the Code 4.34
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
53171322
 2015-10-08 DistancesFlood fillSimulation
Coders Strike Back 4.79
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
2482287482141
 2016-04-14 DistancesMulti-agentNeural networkOptimizationTrigonometry
Smash The Code 4.26
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
65271843
 2016-05-26 DFSFlood fillSimulation
CodeBusters 4.82
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
19830320
 2016-07-07 DistancesMulti-agentResource managementState machine
Hypersonic 4.85
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
22029500
 2016-10-26 BFSDFSSimulation
Fantastic Bits 4.86
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
25422312
 2016-12-14 DistancesMulti-agentSimulationTrigonometry
Ghost in the Cell 4.83
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
40424638
 2017-03-07 GraphsResource management
Coders of the Caribbean 4.60
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
137301214
 2017-05-24 DistancesMulti-agentPathfinding
Wondev Woman 4.59
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
7628421
 2017-07-12 Flood fillMinimaxSimulation
Mean Max 4.49
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
111311026
 2017-12-06 Multi-agentSimulation
Code4Life 4.76
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
19228504
 2018-01-31 ConditionsState machine
Ultimate Tic-Tac-Toe 4.85
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
27822612
 2018-02-28 Monte Carlo tree searchMinimax
Botters of the Galaxy 4.14
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
44201381
 2018-03-21 Multi-agent
Code Royale 4.75
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
16424622
 2018-04-19 Resource management
Code of Kutulu 4.57
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
5611512
 2018-07-11 Flood fill
Legends of Code & Magic 4.74
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
14815623
 2018-09-12 Card game
Xmas Rush 4.82
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
578200
 2018-12-21 Classic board gamesMinimaxPathfinding
Code a la Mode 4.81
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
805320
 2019-03-25 Coop GameState machine
Crystal Rush 4.64
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
495004
 2020-03-20 Multi-agentResource management
Ocean of Code 4.81
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
11410302
 2020-04-20
Spring Challenge 2020 4.81
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
21323441
 2020-05-18 2D arrayDistancesMulti-agentPathfinding
Fall Challenge 2020 4.78
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
18335311
 2020-11-23 BFSMonte Carlo tree searchgraph traversal
Vindinium x 4.76
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
266100
 2019-02-09 Flood fillMinimax
Langton s Ant x 4.65
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
163001
 2019-02-27 Monte Carlo tree search
Checkers x 4.58
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
160201
 2019-03-21
Yavalath x 4.80
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
181010
 2019-03-22 Monte Carlo tree searchMinimaxOpening Book
Cultist Wars x 4.83
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
51000
 2019-04-15 Bresenham's algorithmMinimax
Bit Runner 2048 x 4.74
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
171001
 2019-04-19 Genetic AlgorithmSimulation
Bandas x 4.74
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
145000
 2019-05-02
A Code of Ice And Fire x 4.90
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
825200
 2019-06-05
Oware Abapa x 4.62
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
254201
 2019-08-17
Breakthrough x 4.92
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
250100
 2019-11-01 Monte Carlo tree searchBitboardingMinimax
Paper soccer x 4.50
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
103001
 2019-11-02 MinimaxPathfinding
Onitama x 4.56
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
203002
 2019-11-29 Classic board gamesMinimax
Tower Dereference x 4.11
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
70002
 2019-12-30 Resource managementSimulation
Twixt-PP x 4.57
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
112001
 2020-01-18
Coders of the Realm - 1v1 x 4.20
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
40001
 2020-02-14 2D arrayClassic board gamesFlood fill
Coders of the Realm x 4.22
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
61101
 2020-02-16 2D arrayClassic board gamesFlood fill
Tulips and Daisies x 4.92
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
111000
 2020-04-16 Monte Carlo tree searchMinimax
Yinsh x 5.00
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
50000
 2020-05-29 Monte Carlo tree searchMinimax
Othello x 4.33
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
41010
 2020-06-13 Monte Carlo tree searchBitboardingClassic board gamesMinimax
Atari Go x 5.00
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
40000
 2020-07-29 Classic board gamesMinimax
Dots and Boxes x 4.96
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
432000
 2020-08-17 Classic board gamesMinimax
Atari Go 9x9 x 5.00
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
10000
 2020-08-22 Classic board gamesMinimax
Penguins x 4.63
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
214101
 2020-09-28 Classic board games
Blocking x 5.00
★★★★★★★★★☆★★★☆☆★★☆☆☆★☆☆☆☆
50000
 2020-10-29 Monte Carlo tree searchMinimax