Problems

Note that you can solve most task in any order!
Already solved ones are at the bottom of the table.

Solve more and win a certificate


Id Title Translations Solved Blessing
24Neumann's Random GeneratorDE RU19355.16
19Matching BracketsES RU13605.77
104Triangle Area12655.90
94Fool's Day 201410826.17
22Two PrintersRU10506.22
37Mortgage Calculator6677.01
69Fibonacci Divisibility6457.07
62Prime Ranges5747.27
127Anagrams5027.50
36Code Guesser4407.73
54Pythagorean Triples3827.98
51Dungeons and Dragons Dice3408.18
97Girls and Pigs3318.22
70Most Frequent Word2968.42
66Caesar Cipher Cracker2938.43
145Modular Exponentiation2578.66
71Fibonacci Divisibility Advanced1779.31
89Instrument Tuner1709.38
90Lexicographic Permutations1629.46
108Star Medals1539.56
131Four Pics One Word1529.57
150Introducing Regexps1509.59
103Easter Eggs10810.16
140Proper Bracket Sequences8310.61
129Enumerating Combinations8010.67
130Combinations with Repetitions7710.74
151Word Ladders7510.78
110Lucky Tickets Advanced7110.88
173Chords of Music7010.90
168Caesar meets BF6710.98
139Beam Balance and Masses6011.17
111Necklace Count5611.28
102Travelling Salesman5511.32
100Crossing the Road5011.48
159Hard Life4811.55
192Gangster Battles4711.58
179Look and Say binary4511.66
157Emirp primE4211.77
210Ticket Puzzle3512.08
107Knight's Tour3412.13
149Prime Chains3212.23
175Algae Robot3112.29
209Suffix Array Advanced2412.72
180Simple Game of Sticks2013.02
178Maze of the Wumpus1813.19