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Hot problems

Problem Category Points AC % Users
CEOI '19 P2 - Dynamic Diameter CEOI 25p 13.1% 56
CEOI '19 P3 - Cubeword CEOI 20p 34.8% 18
CEOI '19 P4 - Amusement Park CEOI 30p 18.1% 11
CEOI '19 P5 - Magic Tree CEOI 20p 10.5% 44
CEOI '19 P6 - Scissors and Tape CEOI 30p 8.4% 3
CEOI '19 Practice P1 - Count Squares CEOI 7p 37.4% 271
CEOI '19 Practice P2 - Separator CEOI 10p 34.7% 50
CEOI '19 Practice P3 - Tower Defense CEOI 12p 13.2% 30
CEOI '22 P1 - Abracadabra CEOI 20p 22.3% 54
CEOI '22 P2 - Homework CEOI 15p 44.1% 86
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 16.4% 48
CERC '07 B - Strange Billboard ICPC 10p 42.4% 51
CERC '07 E - Gates of Logic ICPC 20p 26.2% 6
Expensive Chair Stacking Uncategorized 7p 35.4% 121
Champion Contest Uncategorized 7 33.2% 187
Allen's Segments Uncategorized 17 25.9% 76
Checkerboard Cut Uncategorized 25p 29.5% 7
Checkerboard Summation (Easy) Uncategorized 12p 25.6% 320
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 42.1% 161
Cheerio Contest 1 J3 - Festival Uncategorized 5 47.7% 255
Cheerio Contest 1 J5 - Arithmetic Sequence Uncategorized 10p 4.7% 30
Cheerio Contest 1 S1/J4 - Going to School Uncategorized 5p 45.6% 159
Cheerio Contest 1 S2 - School Expansion Uncategorized 7p 34.0% 180
Cheerio Contest 1 S3 - Stock Trading Uncategorized 7p 23.5% 83
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 35.5% 50
Cheerio Contest 2 P2 - Cereal Boxes Uncategorized 3 16.0% 36
Cheerio Contest 2 P3 - Digits Uncategorized 5p 21.8% 45
Cheerio Contest 2 P4 - Modulus Finding Uncategorized 7p 15.6% 23
Cheerio Contest 2 P5 - Subsequence Queries Uncategorized 7p 24.6% 30
Cheerio Contest 3 P1 - Wet Floor Uncategorized 5p 46.8% 461
Cheerio Contest 3 P2 - Double-O-Seven Uncategorized 5p 41.9% 406
Cheerio Contest 3 P3 - Everything Array Uncategorized 12p 5.9% 85
Cheerio Contest 3 P4 - Bit Flips Uncategorized 12 32.1% 108
Cheerio Contest 3 P5 - Train Network Uncategorized 20p 4.6% 20
Weakfish Uncategorized 0 2.7% 5
Chocolate Bar Uncategorized 5 52.3% 676
Chores Uncategorized 7 27.2% 101
CIW '25 P1 - Course Override CIW 7p 35.0% 58
CIW '25 P2 - Chocolate Bar Partition 2 CIW 12p 20.7% 41
CIW '25 P4 - Hit the Griddy CIW 10p 23.4% 36
CIW '25 P5 - Polling Stations CIW 15p 13.2% 12