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Problem Category Points AC % Users
CCO '98 P2 - Message Deciphering CCO 7p 58.9% 33
CCO '98 P3 - Bus Schedule CCO 12p 22.7% 5
CCO '98 P4 - Scoring Curling CCO 7p 26.8% 12
CCO '98 P5 - Text Segmentation CCO 10p 26.4% 54
CCO '98 P6 - Derek's Dilemma CCO 12p 40.8% 13
CCO '99 P1 - You Can't Get There From Here CCO 7p 27.0% 18
CCO '99 P2 - Common Words CCO 10p 12.8% 386
CCO '99 P3 - Manelzuma's Revenge CCO 10p 24.0% 4
CCO '99 P4 - Maple Roundup CCO 10p 23.0% 34
CCO '99 P5 - Sum Of Products CCO 15p 18.4% 3
CCO '99 P6 - Fast Food CCO 15p 23.9% 16
CCO Preparation Test 1 P1 - Double Cross Mock CCO 20p 11.8% 11
CCO Preparation Test 1 P2 - Escape Maze Mock CCO 20p 11.8% 41
CCO Preparation Test 1 P3 - K-th Rank Student Mock CCO 17p 34.6% 179
CCO Preparation Test 2 P1 - Concatenation Mock CCO 17p 13.6% 36
CCO Preparation Test 2 P2 - Forest Area Mock CCO 25p 7.1% 12
CCO Preparation Test 2 P3 - Subsets Mock CCO 20p 17.0% 48
CCO Preparation Test 3 P1 - Primitive Pythagorean Pairs Mock CCO 25p 13.5% 21
CCO Preparation Test 3 P2 - Packing Up Mock CCO 25p 14.7% 127
CCO Preparation Test 3 P3 - Arrow Mock CCO 30p 17.7% 59
CCO Preparation Test 4 P3 - Dynamic MST Mock CCO 25p 24.0% 85
CCO Preparation Test 5 P1 - City Game Mock CCO 15 26.5% 226
CCO Preparation Test 5 P2 - Corporative Network Mock CCO 15 9.1% 18
CCO Preparation Test 5 P3 - Minimum Cycle Mock CCO 15p 11.8% 12
CCO Preparation Test 5 P4 - Toys Mock CCO 15p 3.0% 2
CCO Preparation Test 6 P1 - Bus Routes Mock CCO 20p 24.2% 6
CCO Preparation Test 6 P2 - An Easy Problem Mock CCO 12p 33.7% 226
CCO Preparation Test 6 P3 - HopScotch Mock CCO 20p 23.9% 159
CCO Preparation Test 7 P1 - Game of Stone Mock CCO 20p 6.0% 3
CCO Preparation Test 7 P2 - XOR Path Mock CCO 20p 12.6% 17
CCOQR '16 - Stupendous Bowties CCC 10p 33.2% 292
CCOQR '16 - Through A Maze Darkly CCC 20p 18.4% 111
CCOQR '16 - Data Structure CCC 15p 22.5% 225
CEOI '09 P2 - Harbingers CEOI 25p 14.3% 52
CEOI '14 P2 - Fangorn CEOI 20p 28.3% 18
CEOI '16 P2 - Kangaroo CEOI 20p 43.8% 95
CEOI '16 P4 - Match CEOI 15p 18.8% 28
CEOI '16 P5 - Popeala CEOI 25p 20.8% 14
CEOI '17 P1 - One-Way Streets CEOI 25p 21.5% 100
CEOI '17 P2 - Sure Bet CEOI 10p 34.9% 124
CEOI '17 P3 - Mousetrap CEOI 25p 15.5% 31
CEOI '17 P4 - Building Bridges CEOI 20p 22.1% 143
CEOI '17 P5 - Palindromic Partitions CEOI 15p 31.2% 144
CEOI '17 P6 - Chase CEOI 30p 13.1% 25
CEOI '18 P1 - Cloud Computing CEOI 15p 33.9% 112
CEOI '18 P2 - Global Warming CEOI 15p 26.7% 122
CEOI '18 P3 - Lottery CEOI 25p 35.9% 32
CEOI '18 P4 - Fibonacci Representations CEOI 40p 32.3% 8
CEOI '18 P5 - Toys CEOI 10p 28.1% 108
CEOI '19 P1 - Building Skyscrapers CEOI 30p 5.3% 3