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 RU16995.15
19Matching BracketsES RU11845.77
104Triangle Area11095.89
94Fool's Day 20149426.17
22Two PrintersRU9096.23
37Mortgage Calculator5767.02
69Fibonacci Divisibility5697.04
62Prime Ranges4747.36
127Anagrams4427.48
36Code Guesser3897.70
54Pythagorean Triples3337.97
51Dungeons and Dragons Dice3098.10
97Girls and Pigs2948.19
70Most Frequent Word2688.35
66Caesar Cipher Cracker2638.38
145Modular Exponentiation2298.62
71Fibonacci Divisibility Advanced1619.23
90Lexicographic Permutations1519.34
89Instrument Tuner1509.35
131Four Pics One Word1409.47
150Introducing Regexps1389.50
108Star Medals1379.51
103Easter Eggs9610.12
140Proper Bracket Sequences7610.52
129Enumerating Combinations7310.59
151Word Ladders6810.71
130Combinations with Repetitions6710.74
110Lucky Tickets Advanced6310.84
168Caesar meets BF5810.98
173Chords of Music5711.01
139Beam Balance and Masses5311.14
111Necklace Count5011.24
102Travelling Salesman4811.31
100Crossing the Road4511.42
159Hard Life4411.46
192Gangster Battles4311.49
179Look and Say binary4011.62
157Emirp primE3711.75
107Knight's Tour2912.16
210Ticket Puzzle2912.16
175Algae Robot2812.22
149Prime Chains2612.34
180Simple Game of Sticks1912.86
209Suffix Array Advanced1912.86
178Maze of the Wumpus1812.95