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Problem Category Points AC % Users
Checkerboard Summation (Hard) Uncategorized 15p 44.6% 262
Checker Number Uncategorized 7 20.1% 36
Cheerio Contest 1 J1 - Pronounceable Words Uncategorized 3 38.1% 232
Cheerio Contest 1 J2 - Phys Ed Class Uncategorized 3 42.3% 158
Cheerio Contest 1 J3 - Festival Uncategorized 5 47.6% 244
Cheerio Contest 1 J5 - Arithmetic Sequence Uncategorized 10p 4.7% 31
Cheerio Contest 1 S1/J4 - Going to School Uncategorized 5p 45.6% 158
Cheerio Contest 1 S2 - School Expansion Uncategorized 7p 33.2% 167
Cheerio Contest 1 S3 - Stock Trading Uncategorized 7p 23.4% 76
Cheerio Contest 1 S4 - Mystery Boxes Uncategorized 10p 15.8% 60
Cheerio Contest 1 S5 - Coin Game Uncategorized 15p 45.3% 44
Cheerio Contest 2 P1 - Cow Pasture Uncategorized 3p 35.8% 48
Cheerio Contest 2 P2 - Cereal Boxes Uncategorized 3 15.1% 33
Cheerio Contest 2 P3 - Digits Uncategorized 5p 22.1% 46
Cheerio Contest 2 P4 - Modulus Finding Uncategorized 7p 15.3% 22
Cheerio Contest 2 P5 - Subsequence Queries Uncategorized 7p 23.9% 29
Cheerio Contest 3 P1 - Wet Floor Uncategorized 5p 47.1% 456
Cheerio Contest 3 P2 - Double-O-Seven Uncategorized 5p 41.9% 406
Cheerio Contest 3 P3 - Everything Array Uncategorized 12p 5.7% 83
Cheerio Contest 3 P4 - Bit Flips Uncategorized 12 31.7% 105
Cheerio Contest 3 P5 - Train Network Uncategorized 20p 4.5% 19
Weakfish Uncategorized 0 2.8% 5
Chocolate Bar Uncategorized 5 52.4% 668
Chores Uncategorized 7 27.1% 99
CIW '25 P1 - Course Override CIW 7p 33.8% 50
CIW '25 P2 - Chocolate Bar Partition 2 CIW 12p 21.4% 34
CIW '25 P4 - Hit the Griddy CIW 10p 26.2% 21
CIW '25 P5 - Polling Stations CIW 15p 22.5% 11
Rock Climbing Uncategorized 5 22.6% 197
Clique Uncategorized 15p 14.7% 58
Revenge of the Clocks Uncategorized 15 46.3% 13
COCI '06 Contest 1 #1 Modulo COCI 3 60.3% 1313
COCI '06 Contest 1 #2 Herman COCI 5 41.7% 790
COCI '06 Contest 1 #3 Okviri COCI 5 41.5% 381
COCI '06 Contest 1 #4 Slikar COCI 10 24.6% 640
COCI '06 Contest 1 #5 Bond COCI 12 23.8% 538
COCI '06 Contest 1 #6 Debug COCI 20p 14.5% 130
COCI '06 Contest 2 #1 R2 COCI 3 69.0% 1229
COCI '06 Contest 2 #2 ABC COCI 3 46.4% 938
COCI '06 Contest 2 #3 Kolone COCI 7 38.6% 329
COCI '06 Contest 2 #4 Sjecišta COCI 7 64.0% 460
COCI '06 Contest 2 #5 Stol COCI 12p 43.1% 439
COCI '06 Contest 2 #6 Straža COCI 15 18.2% 50
COCI '06 Contest 3 #1 Patuljci COCI 5 60.1% 649
COCI '06 Contest 3 #2 N-puzzle COCI 5 46.6% 444
COCI '06 Contest 3 #3 Trojke COCI 7 56.7% 171
COCI '06 Contest 3 #4 Tenkici COCI 12p 17.4% 55
COCI '06 Contest 3 #5 Bicikli COCI 15 6.5% 143
COCI '06 Contest 3 #6 Lista COCI 20p 13.1% 81
COCI '06 Contest 4 #1 Sibice COCI 3 57.8% 552