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Problem Category Points AC % Users ▴
CCO '96 P2 - SafeBreaker CCO 10 36.2% 89
CCO '13 P4 - A Romantic Movie Outing CCO 20p 23.5% 91
CCO '20 P4 - Travelling Salesperson CCO 25p 19.6% 92
CCO '05 P4 - Primed Sequences CCO 12p 12.6% 92
CCO '17 P3 - Vera and Modern Art CCO 30p 14.1% 93
CCO '02 P5 - Connect The Campus CCO 12 31.0% 101
CCO '22 P2 - Rainy Markets CCO 17p 18.7% 101
CCO '15 P5 - Timpanist CCO 20p 36.5% 102
DMPG '16 B3 - CCO DMOPC 5 41.8% 102
CCO '12 P3 - Mhocskian Languages CCO 20p 49.6% 103
CCOQR '16 - Through A Maze Darkly CCC 20p 18.3% 103
CCO '08 P1 - Moving Day CCO 7p 30.5% 106
CCO '11 P1 - Putnam CCO 7 27.6% 108
CCO '18 P2 - Wrong Answer CCO 12p 15.4% 115
CCO '04 P5 - Jengaism CCO 7 31.8% 116
CCO Preparation Test 3 P2 - Packing Up Mock CCO 25p 14.9% 117
CCO '18 P5 - Boring Lectures CCO 20p 19.1% 125
CCO '04 P1 - Scribble CCO 5 45.4% 126
CCO '19 P5 - Marshmallow Molecules CCO 15p 26.5% 128
CCO '22 P1 - Alternating Heights CCO 12p 27.4% 136
CCO Preparation Test 6 P3 - HopScotch Mock CCO 20p 23.1% 140
CCO '06 P1 - CN Tower CCO 5 25.4% 140
CCO '16 P5 - Zombie Apocalypse CCO 15p 19.1% 141
CCO '12 P4 - Editor Distance CCO 10 33.6% 143
CCO '10 P6 - Shuffle CCO 10 35.4% 150
CCO Preparation Test 1 P3 - K-th Rank Student Mock CCO 17p 35.0% 152
CCO '21 P1 - Swap Swap Sort CCO 17p 16.8% 152
CCO '98 P1 - Fibonacci Numbers CCO 7 26.2% 158
CCO '05 P1 - Number Matrix CCO 10 24.2% 161
CCO '03 P4 - Constrained Permutations CCO 5 49.8% 163
CCO '23 P1 - Binaria CCO 12p 24.0% 164
CCO '17 P5 - Professional Network CCO 20p 32.5% 166
Mock CCO '17 Problem 2 - Penetrating Power Mock CCO 17p 25.6% 170
CCO '16 P1 - Field Trip CCO 10p 21.8% 171
CCO '12 P5 - Sample Size CCO 7 24.0% 171
CCOQR '16 - Data Structure CCC 15p 22.0% 176
CCO '17 P4 - Rainfall Storage CCO 20p 36.2% 177
CCO '07 P6 - Road Construction CCO 20p 30.3% 180
CCO '07 P1 - Cows CCO 10 32.3% 181
CCO '10 P2 - Tree Pruning CCO 15 29.7% 188
CCO '14 P3 - Werewolf CCO 17p 42.1% 194
CCO '13 P6 - Repetitivity CCO 25p 42.0% 197
CCO Preparation Test 5 P1 - City Game Mock CCO 15 26.4% 202
CCO '11 P3 - Spies Like Us CCO 10p 22.8% 203
CCO Preparation Test 6 P2 - An Easy Problem Mock CCO 12p 32.5% 204
CCO '15 P4 - Cars on Ice CCO 10p 19.0% 206
CCO '13 P1 - All Your Base Belong to Palindromes CCO 10p 18.6% 208
CCO '96 P1 - Train Swapping CCO 5 26.9% 212
CCO '20 P1 - A Game with Grundy CCO 10p 20.3% 213
CCO '11 P4 - Reorganization CCO 7p 35.1% 215