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Problem Category Points AC % Users
CCO '19 P1 - Human Error CCO 10p 30.1% 96
CCO '19 P5 - Marshmallow Molecules CCO 15p 26.8% 130
CCO '20 P1 - A Game with Grundy CCO 10p 20.2% 224
CCO '20 P2 - Exercise Deadlines CCO 15p 30.0% 300
CCO '21 P1 - Swap Swap Sort CCO 17p 16.4% 163
CCO '21 P2 - Weird Numeral System CCO 17p 12.6% 99
CCO '22 P1 - Alternating Heights CCO 12p 25.7% 149
CCO '22 P2 - Rainy Markets CCO 17p 18.7% 112
CCO '23 P1 - Binaria CCO 12p 21.8% 208
CCO '23 P2 - Real Mountains CCO 17p 12.2% 77
CCO '23 P4 - Flip it and Stick it CCO 17p 7.0% 60
CCO '24 P1 - Treasure Hunt CCO 10p 21.7% 90
CCO '24 P2 - Pizza Party CCO 10p 33.0% 38
CCO '96 P2 - SafeBreaker CCO 10 36.0% 91
CCO '96 P3 - Quadtrees CCO 15 49.3% 87
CCO '96 P6 - Hoppers CCO 15 15.4% 30
CCO '97 P1 - Palindromes CCO 10 11.9% 31
CCO '97 P2 - Alien Invasion CCO 10 45.4% 62
CCO '97 P3 - Porous Stone CCO 10 18.6% 3
CCO '97 P4 - High Tide CCO 10 24.0% 12
CCO '97 P5 - Space Aliens CCO 10 23.7% 5
CCO '98 P3 - Bus Schedule CCO 12 16.7% 3
CCO '98 P5 - Text Segmentation CCO 10 16.9% 19
CCO '98 P6 - Derek's Dilemma CCO 12 50.0% 5
CCO '99 P2 - Common Words CCO 10 12.1% 335
CCO '99 P3 - Manelzuma's Revenge CCO 10 33.3% 3
CCO '99 P4 - Maple Roundup CCO 10 20.6% 29
CCO '99 P5 - Sum Of Products CCO 15 13.9% 2
CCO '99 P6 - Fast Food CCO 15 25.8% 16
CCO Preparation Test 1 P3 - K-th Rank Student Mock CCO 17p 34.6% 161
CCO Preparation Test 2 P1 - Concatenation Mock CCO 17p 13.1% 32
CCO Preparation Test 5 P1 - City Game Mock CCO 15 26.4% 214
CCO Preparation Test 5 P2 - Corporative Network Mock CCO 15 8.0% 15
CCO Preparation Test 5 P3 - Minimum Cycle Mock CCO 15p 9.6% 9
CCO Preparation Test 5 P4 - Toys Mock CCO 15p 3.1% 2
CCO Preparation Test 6 P2 - An Easy Problem Mock CCO 12p 32.6% 206
CCOQR '16 - Stupendous Bowties CCC 10p 31.9% 253
CCOQR '16 - Data Structure CCC 15p 22.1% 182
CEOI '16 P4 - Match CEOI 15p 19.4% 22
CEOI '17 P2 - Sure Bet CEOI 10p 36.7% 101
CEOI '17 P5 - Palindromic Partitions CEOI 15p 30.9% 113
CEOI '18 P1 - Cloud Computing CEOI 15p 32.7% 90
CEOI '18 P2 - Global Warming CEOI 15p 27.9% 82
CEOI '18 P5 - Toys CEOI 10p 28.2% 97
CEOI '19 Practice P2 - Separator CEOI 10p 34.8% 45
CEOI '19 Practice P3 - Tower Defense CEOI 12p 13.9% 26
CEOI '22 P2 - Homework CEOI 15p 42.3% 78
CERC '07 B - Strange Billboard ICPC 10p 47.2% 41
Allen's Segments Uncategorized 17 25.9% 76
Checkerboard Summation (Easy) Uncategorized 12p 26.1% 303