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 RU20295.17
19Matching BracketsES RU14405.77
104Triangle Area13175.92
94Fool's Day 201411356.18
22Two PrintersRU10986.24
37Mortgage Calculator7047.01
69Fibonacci Divisibility6887.05
62Prime Ranges6047.28
127Anagrams5327.50
36Code Guesser4607.75
54Pythagorean Triples4037.98
51Dungeons and Dragons Dice3618.17
97Girls and Pigs3548.20
70Most Frequent Word3158.41
66Caesar Cipher Cracker3098.44
145Modular Exponentiation2718.67
71Fibonacci Divisibility Advanced1859.33
89Instrument Tuner1789.39
90Lexicographic Permutations1699.48
108Star Medals1629.56
131Four Pics One Word1559.63
150Introducing Regexps1549.64
103Easter Eggs11510.15
140Proper Bracket Sequences8510.67
129Enumerating Combinations8210.73
130Combinations with Repetitions7910.79
151Word Ladders7910.79
173Chords of Music7510.88
110Lucky Tickets Advanced7210.95
168Caesar meets BF7110.97
139Beam Balance and Masses6711.07
111Necklace Count5811.32
102Travelling Salesman5711.35
192Gangster Battles5511.41
100Crossing the Road5211.51
159Hard Life5011.57
179Look and Say binary4611.72
157Emirp primE4411.79
107Knight's Tour3712.09
210Ticket Puzzle3712.09
175Algae Robot3412.23
149Prime Chains3312.28
209Suffix Array Advanced2612.68
180Simple Game of Sticks2312.88
178Maze of the Wumpus1813.29