Problems

Problem ▴ Category Points AC % Users
16 BIT S/W ONLY Uncategorized 3 36.8% 2655
2-D Permutations Uncategorized 10p 21.0% 157
2-Dimensional Range Minimum Query Classics 17p 20.2% 132
2048 Uncategorized 15 3.1% 88
2spooky4me Uncategorized 7 11.5% 432
3n+1 Uncategorized 3 39.3% 1690
A Block Game Uncategorized 3 40.5% 101
A Coin Problem Uncategorized 12p 18.8% 294
A Combining Problem Uncategorized 20 14.8% 19
A Digit Problem Uncategorized 12p 31.8% 59
A Fenwick Tree Question Olympiads School 15 30.0% 46
A Floyd-Warshall Problem Uncategorized 15 3.6% 1
A Game Uncategorized 10 29.8% 353
A Greedy Problem Uncategorized 5p 28.6% 170
A Harder Game Uncategorized 15p 8.5% 31
A Long Problem Uncategorized 0p 58.7% 42
A Math Contest P1 - Arrays Uncategorized 5 32.1% 249
A Math Contest P10 - Tricky Multisets Uncategorized 12 25.7% 48
A Math Contest P11 - Weak Goldbach's Conjecture Uncategorized 15 23.9% 58
A Math Contest P12 - Triangles Uncategorized 17 29.5% 19
A Math Contest P13 - Ways Uncategorized 17 18.9% 28
A Math Contest P14 - Choosing Marbles Uncategorized 25p 21.9% 37
A Math Contest P15 - Matrix Fixed Point Uncategorized 20 68.3% 30
A Math Contest P16 - Morbius vs. Suibom Uncategorized 25 18.2% 20
A Math Contest P17 - Heatwaves Uncategorized 45 36.4% 3
A Math Contest P2 - Subsequence Sum Uncategorized 5 29.2% 342
A Math Contest P3 - LIS Reconstruction Uncategorized 7 47.0% 160
A Math Contest P4 - Circle Cutting Uncategorized 7 40.9% 105
A Math Contest P5 - Good Arrays Uncategorized 7p 29.5% 128
A Math Contest P6 - Global Maximum Uncategorized 10 28.4% 74
A Math Contest P7 - Factors Uncategorized 10 29.9% 129
A Math Contest P8 - Permutation Counting Uncategorized 12 35.9% 61
A Math Contest P9 - Buy Some Get Some Uncategorized 12 27.1% 55
A New Country Uncategorized 25p 25.1% 17
A Noisy Class Uncategorized 7 29.4% 751
A Permutation Problem 2 Uncategorized 12 30.7% 20
A Plus B Uncategorized 3p 48.7% 7960
A Plus B (Hard) Uncategorized 12 10.9% 315
A Romantic Dinner Outing Uncategorized 20 24.0% 18
A Simple Game Uncategorized 7p 30.6% 84
A Simple Maximum Uncategorized 7 8.7% 28
A Simple Mean Uncategorized 7 11.5% 39
A Simple Minus Uncategorized 10 27.4% 17
A Simple Mode Uncategorized 7p 12.8% 21
A Simple Multiplication Uncategorized 12 14.0% 17
A Subarray Problem Uncategorized 7 40.5% 112
A Sum Problem Olympiads School 12p 13.0% 76
A Times B Uncategorized 20p 15.8% 122
A Very Coordinated Christmas Uncategorized 7p 34.5% 115
A20 Gate Uncategorized 5 31.3% 266