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Problem Category Points AC % Users
CEOI '22 P3 - Prize CEOI 25p 6.1% 27
CEOI '22 P4 - Drawing CEOI 35p 0.8% 2
CEOI '22 P5 - Measures CEOI 20p 11.0% 41
CEOI '22 P6 - Parking CEOI 30p 7.3% 8
CERC '00 H - Hotline ICPC 25 15.2% 46
CERC '07 B - Strange Billboard ICPC 10p 47.3% 44
CERC '07 E - Gates of Logic ICPC 20p 26.2% 6
Expensive Chair Stacking Uncategorized 7p 35.3% 120
Champion Contest Uncategorized 7 33.0% 184
Allen's Segments Uncategorized 17 25.9% 76
Checkerboard Cut Uncategorized 25p 29.5% 7
Checkerboard Summation (Easy) Uncategorized 12p 25.6% 319
Checkerboard Summation (Hard) Uncategorized 15p 44.6% 271
Checker Number Uncategorized 7 20.1% 38
Cheerio Contest 1 J1 - Pronounceable Words Uncategorized 3 37.7% 238
Cheerio Contest 1 J2 - Phys Ed Class Uncategorized 3 42.6% 160
Cheerio Contest 1 J3 - Festival Uncategorized 5 47.3% 250
Cheerio Contest 1 J5 - Arithmetic Sequence Uncategorized 10p 4.7% 30
Cheerio Contest 1 S1/J4 - Going to School Uncategorized 5p 45.7% 159
Cheerio Contest 1 S2 - School Expansion Uncategorized 7p 33.9% 178
Cheerio Contest 1 S3 - Stock Trading Uncategorized 7p 23.4% 77
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 36.1% 49
Cheerio Contest 2 P2 - Cereal Boxes Uncategorized 3 15.4% 34
Cheerio Contest 2 P3 - Digits Uncategorized 5p 21.8% 45
Cheerio Contest 2 P4 - Modulus Finding Uncategorized 7p 15.2% 22
Cheerio Contest 2 P5 - Subsequence Queries Uncategorized 7p 23.9% 29
Cheerio Contest 3 P1 - Wet Floor Uncategorized 5p 47.1% 459
Cheerio Contest 3 P2 - Double-O-Seven Uncategorized 5p 41.9% 405
Cheerio Contest 3 P3 - Everything Array Uncategorized 12p 5.7% 83
Cheerio Contest 3 P4 - Bit Flips Uncategorized 12 31.8% 107
Cheerio Contest 3 P5 - Train Network Uncategorized 20p 4.6% 20
Weakfish Uncategorized 0 2.8% 5
Chocolate Bar Uncategorized 5 52.4% 675
Chores Uncategorized 7 27.1% 100
CIW '25 P1 - Course Override CIW 7p 33.5% 50
CIW '25 P2 - Chocolate Bar Partition 2 CIW 12p 21.1% 37
CIW '25 P4 - Hit the Griddy CIW 10p 25.0% 32
CIW '25 P5 - Polling Stations CIW 15p 13.2% 12
Rock Climbing Uncategorized 5 22.7% 199
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% 1327
COCI '06 Contest 1 #2 Herman COCI 5 41.6% 803
COCI '06 Contest 1 #3 Okviri COCI 5 41.4% 384
COCI '06 Contest 1 #4 Slikar COCI 10 24.6% 642
COCI '06 Contest 1 #5 Bond COCI 12 23.9% 546
COCI '06 Contest 1 #6 Debug COCI 20p 14.6% 132
COCI '06 Contest 2 #1 R2 COCI 3 68.5% 1248