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Problem Category Points ▾ AC % Users
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami DMOPC 12p 15.5% 82
Another Contest 9 Problem 3 - Sun & Moon ACC 12 22.5% 32
BPC 1 S2 - Train Commute Uncategorized 12p 6.6% 47
DMOPC '21 Contest 9 P3 - Terrible Trains DMOPC 12p 22.2% 81
Baltic OI '03 P2 - Gems Baltic OI 12p 46.9% 14
Baltic OI '03 P4 - The Gangs Baltic OI 12p 41.2% 43
CCO '22 P1 - Alternating Heights CCO 12p 27.6% 138
NOIP '99 P3 - Traveller's Budget China NOI 12p 11.4% 13
NOIP '99 P1 - Missile Interception China NOI 12p 39.8% 40
NOIP '99 P4 - Stamp Face Value Design China NOI 12p 10.5% 9
A Math Contest P10 - Tricky Multisets Uncategorized 12 25.7% 48
A Math Contest P8 - Permutation Counting Uncategorized 12 35.9% 61
DMOPC '21 Contest 10 P3 - Peculiar Reflections DMOPC 12p 14.2% 75
A Math Contest P9 - Buy Some Get Some Uncategorized 12 27.1% 55
Yet Another Contest 6 P4 - No More Nails! YAC 12p 11.3% 53
NOIP '20 P2 - String Matching China NOI 12p 13.5% 10
Another Contest 9 Problem 5 - Satellite ACC 12 16.7% 17
Yet Another Contest 4 P3 - Canadian Cactus Competition YAC 12p 10.2% 52
DMOPC '22 Contest 1 P3 - Group Project DMOPC 12p 14.0% 95
Baltic OI '02 P1 - Speed Limits Baltic OI 12p 26.3% 16
Baltic OI '02 P2 - Tennis Club Baltic OI 12p 34.0% 13
Baltic OI '02 P3 - Triangles Baltic OI 12p 18.0% 8
Baltic OI '02 P4 - Bicriterial Routing Baltic OI 12 40.9% 8
NOIP '18 Junior P3 - Shuttle Bus China NOI 12p 16.3% 6
JOI '22 Final P2 - Self Study JOI 12p 25.7% 16
An Animal Contest 7 P3 - Squirrel Scramble AAC 12p 14.9% 67
Yet Another Contest 5 P3 - Potted Plants YAC 12p 15.9% 65
DMOPC '22 Contest 2 P3 - Good Permutations DMOPC 12p 20.0% 122
Yet Another Contest 7 P3 - No More Math Homework YAC 12p 16.2% 89
DMOPC '22 Contest 1 P4 - Card Game DMOPC 12p 15.9% 63
MCIPC Contest 2 P6 - Block Tower Uncategorized 12p 11.6% 9
Waterloo 2022 Fall E - Water Flow Waterloo Local 12 18.3% 7
Max's Anger Contest Series 1 P4 - Greedily Gamboling Seasonal 12p 17.8% 73
COCI '22 Contest 1 #4 Iksevi COCI 12p 28.3% 28
COCI '22 Contest 2 #4 Prijateljice COCI 12p 24.2% 39
WOSS Dual Olympiad 2022 S3: Sightseeing in the North Pole Seasonal 12 16.9% 23
EGOI '21 P2 - Luna Likes Love EGOI 12p 26.0% 43
Mock CCC '23 Contest 1 J5 - Calculus Problem Mock CCC 12p 10.1% 41
Cheerio Contest 3 P3 - Everything Array Uncategorized 12p 5.4% 75
Cheerio Contest 3 P4 - Bit Flips Uncategorized 12 36.3% 81
COCI '22 Contest 3 #4 Bomboni COCI 12p 15.3% 61
Waterloo 2023 Winter B - Laser Trap Waterloo Local 12 22.2% 13
COCI '22 Contest 4 #5 Vrsta COCI 12p 34.9% 58
Max's Anger Contest Series 2 P4 - Number Anger Seasonal 12p 37.7% 51
Max's Anger Contest Series 2 P5 - Job Anger Seasonal 12p 27.3% 60
Google Code Jam '22 Qualification Round Problem D - Chain Reactions Google Code Jam 12p 52.0% 8
COCI '22 Contest 5 #2 Diskurs COCI 12p 39.9% 71
COCI '22 Contest 5 #3 Logaritam COCI 12p 46.9% 49
Google Code Jam '22 Round 2 Problem A - Spiraling Into Control Google Code Jam 12p 50.0% 7
Google Code Jam '09 Round 1A Problem A - Multi-base happiness Google Code Jam 12p 40.0% 3