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 RU16175.13
19Matching BracketsES RU11135.78
104Triangle Area10535.87
94Fool's Day 20148876.17
22Two PrintersRU8406.27
37Mortgage Calculator5437.02
69Fibonacci Divisibility5417.03
62Prime Ranges4457.37
127Anagrams4237.46
36Code Guesser3557.76
54Pythagorean Triples3147.97
51Dungeons and Dragons Dice2898.12
97Girls and Pigs2778.19
70Most Frequent Word2528.35
66Caesar Cipher Cracker2488.38
145Modular Exponentiation2188.60
71Fibonacci Divisibility Advanced1509.25
90Lexicographic Permutations1419.36
89Instrument Tuner1399.38
131Four Pics One Word1339.46
150Introducing Regexps1339.46
108Star Medals1319.48
103Easter Eggs9310.07
140Proper Bracket Sequences7310.49
129Enumerating Combinations7010.56
130Combinations with Repetitions6710.64
151Word Ladders6610.66
110Lucky Tickets Advanced6110.80
168Caesar meets BF5610.94
173Chords of Music5411.00
139Beam Balance and Masses5311.04
111Necklace Count5011.14
102Travelling Salesman4511.31
100Crossing the Road4411.35
159Hard Life4311.39
192Gangster Battles4311.39
179Look and Say binary3911.56
157Emirp primE3511.74
210Ticket Puzzle2812.12
107Knight's Tour2712.18
149Prime Chains2512.31
175Algae Robot2512.31
209Suffix Array Advanced1912.76
178Maze of the Wumpus1812.85
180Simple Game of Sticks1712.94