Problems

Problem Category Points ▴ AC % Users
Mock CCC '22 Contest 1 J5 - New Year's Restrictions Mock CCC 7p 24.9% 143
Yet Another Contest 1 P1 - Mixed Doubles YAC 7p 16.5% 225
Baltic OI '10 P4 - Matching Bins Baltic OI 7p 20.8% 26
Mock CCC '22 Contest 2 J4 - Hockey Bracket Mock CCC 7p 18.4% 194
Factors Uncategorized 7 9.2% 46
DMOPC '21 Contest 6 P2 - Gacha Luck DMOPC 7p 29.1% 295
An Animal Contest 6 P2 - G-Pop AAC 7p 10.7% 123
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem SAC Coding Challenge 7p 18.4% 93
Yet Another Contest 2 P2 - Secret Sequence YAC 7p 26.3% 132
COCI '21 Contest 5 #1 Kemija COCI 7p 39.0% 97
DMOPC '21 Contest 7 P2 - Knitting Scarves DMOPC 7 24.3% 184
Intertwined Strings Uncategorized 7p 42.5% 143
Magic Sequence Olympiads School 7p 64.9% 92
A Math Contest P3 - LIS Reconstruction Uncategorized 7 47.0% 160
Cheerio Contest 1 S3 - Stock Trading Uncategorized 7p 26.0% 52
Another Random Contest 1 P3 - Physics Olympics Uncategorized 7p 31.3% 32
Another Random Contest 1 P2 - Two Sequences Uncategorized 7p 18.9% 43
DMOPC '21 Contest 8 P1 - Peanut Planning DMOPC 7p 19.7% 212
DMOPC '21 Contest 9 P2 - String Puzzle DMOPC 7p 24.7% 152
DMOPC '21 Contest 9 P1 - Board Numbers DMOPC 7p 17.5% 179
COCI '17 Contest 1 #3 Lozinke Hard COCI 7 24.7% 56
SAC '22 Code Challenge 5 Junior P4 - Course Requirements SAC Coding Challenge 7p 52.8% 239
Yet Another Contest 4 P2 - Alchemy 2 YAC 7p 26.3% 164
Cheerio Contest 1 S2 - School Expansion Uncategorized 7p 31.0% 101
NOIP '99 P2 - Palindrome Numbers China NOI 7p 14.1% 25
A Math Contest P5 - Good Arrays Uncategorized 7p 29.6% 129
Yet Another Contest 6 P2 - No More Telemarketers YAC 7p 16.7% 128
A Math Contest P4 - Circle Cutting Uncategorized 7 40.9% 105
Lemon Game Olympiads School 7 28.6% 43
DMOPC '21 Contest 10 P2 - Cycle Sort DMOPC 7p 11.5% 152
Baltic OI '11 P6 - Plagiarism Baltic OI 7p 27.4% 38
Baltic OI '14 P2 - Three Friends Baltic OI 7p 19.3% 45
Baltic OI '06 P6 - Jump Baltic OI 7p 15.3% 22
Another Contest 9 Problem 2 - Counting Down the Days ACC 7 6.9% 61
Baltic OI '04 P1 - Ships Baltic OI 7p 14.4% 12
An Animal Contest 7 P2 - Squirrel Structures AAC 7p 15.2% 138
Bit Combinations Uncategorized 7 33.3% 16
NOIP '18 Junior P2 - The Big Battle China NOI 7p 33.3% 13
BSSPC '22 P5 - Derrick and Orz Trees Uncategorized 7p 19.4% 140
Purple Lemon Uncategorized 7p 21.4% 17
Yet Another Contest 5 P1 - Number Pyramid YAC 7p 18.9% 186
SGS Programming Challenge P1 - XOR in Computer Class Uncategorized 7p 13.3% 156
MCIPC Contest 1 P5 - Rainwater Uncategorized 7 21.1% 17
MCIPC Contest 1 P4 - Snack Line Uncategorized 7p 14.5% 14
Cheerio Contest 2 P5 - Subsequence Queries Uncategorized 7p 26.5% 23
Cheerio Contest 2 P4 - Modulus Finding Uncategorized 7p 14.5% 18
Max's Anger Contest Series 1 P3 - Divide and Connor Seasonal 7 23.6% 217
Yet Another Contest 8 P2 - No More Modern Art YAC 7p 27.4% 245
MCIPC Contest 2 P4 - Wreath Uncategorized 7p 9.6% 8
DMOPC '22 Contest 2 P2 - Line Trace DMOPC 7p 34.1% 167