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Problem Category Points AC % Users
CEOI '17 P4 - Building Bridges CEOI 20p 19.8% 98
CEOI '17 P5 - Palindromic Partitions CEOI 15p 29.9% 99
CEOI '17 P6 - Chase CEOI 30p 18.3% 21
CEOI '18 P1 - Cloud Computing CEOI 15p 34.0% 77
CEOI '18 P2 - Global Warming CEOI 15p 29.9% 67
CEOI '18 P3 - Lottery CEOI 25p 40.0% 20
CEOI '18 P4 - Fibonacci Representations CEOI 40p 38.2% 8
CEOI '18 P5 - Toys CEOI 10p 30.8% 86
CEOI '19 P1 - Building Skyscrapers CEOI 30p 6.9% 2
CEOI '19 P2 - Dynamic Diameter CEOI 25p 11.8% 37
CEOI '19 P3 - Cubeword CEOI 20p 40.5% 13
CEOI '19 P4 - Amusement Park CEOI 30p 20.8% 7
CEOI '19 P5 - Magic Tree CEOI 20p 9.3% 34
CEOI '19 Practice P1 - Count Squares CEOI 7p 36.5% 213
CEOI '19 Practice P2 - Separator CEOI 10p 32.9% 40
CEOI '19 Practice P3 - Tower Defense CEOI 12p 13.9% 25
CEOI '22 P1 - Abracadabra CEOI 20p 20.6% 41
CEOI '22 P2 - Homework CEOI 15p 45.2% 70
CEOI '22 P3 - Prize CEOI 25p 6.5% 25
CEOI '22 P4 - Drawing CEOI 35p 0.9% 2
CEOI '22 P5 - Measures CEOI 20p 9.5% 28
CEOI '22 P6 - Parking CEOI 30p 6.4% 7
CERC '00 H - Hotline ICPC 25 15.1% 43
CERC '07 B - Strange Billboard ICPC 10p 46.8% 39
CERC '07 E - Gates of Logic ICPC 20p 26.8% 6
Expensive Chair Stacking Uncategorized 7p 36.1% 111
Champion Contest Uncategorized 7 32.4% 174
Allen's Segments Uncategorized 17 25.5% 72
Checkerboard Cut Uncategorized 25p 30.1% 5
Checkerboard Summation (Easy) Uncategorized 12p 26.1% 278
Checkerboard Summation (Hard) Uncategorized 15p 46.6% 239
Checker Number Uncategorized 7 18.8% 29
Cheerio Contest 1 J1 - Pronounceable Words Uncategorized 3 38.4% 197
Cheerio Contest 1 J2 - Phys Ed Class Uncategorized 3 39.3% 133
Cheerio Contest 1 J3 - Festival Uncategorized 5 45.2% 185
Cheerio Contest 1 J5 - Arithmetic Sequence Uncategorized 10p 5.6% 22
Cheerio Contest 1 S1/J4 - Going to School Uncategorized 5p 45.2% 142
Cheerio Contest 1 S2 - School Expansion Uncategorized 7p 31.0% 101
Cheerio Contest 1 S3 - Stock Trading Uncategorized 7p 26.0% 52
Cheerio Contest 1 S4 - Mystery Boxes Uncategorized 10p 17.1% 40
Cheerio Contest 1 S5 - Coin Game Uncategorized 15p 46.4% 35
Cheerio Contest 2 P1 - Cow Pasture Uncategorized 3p 35.7% 40
Cheerio Contest 2 P2 - Cereal Boxes Uncategorized 3 13.1% 25
Cheerio Contest 2 P3 - Digits Uncategorized 5p 20.4% 38
Cheerio Contest 2 P4 - Modulus Finding Uncategorized 7p 14.5% 18
Cheerio Contest 2 P5 - Subsequence Queries Uncategorized 7p 27.4% 22
Cheerio Contest 3 P1 - Wet Floor Uncategorized 5p 47.2% 433
Cheerio Contest 3 P2 - Double-O-Seven Uncategorized 5p 42.3% 387
Cheerio Contest 3 P3 - Everything Array Uncategorized 12p 5.5% 75
Cheerio Contest 3 P4 - Bit Flips Uncategorized 12 36.3% 81