Problems

Problem Category Points ▾ AC % Users
CCO '08 P6 - Landing CCO 50 18.1% 29
CCO '11 P5 - Fixing Disks CCO 40p 1.3% 4
CCO '14 P6 - Gates CCO 40p 4.7% 7
CCO Preparation Test 3 - Primitive Pythagorean Pairs CCO 40p 13.6% 19
CCO Preparation Test 3 - Arrow CCO 40p 16.6% 48
Dynamic MST CCO 40p 20.8% 28
CCO '19 P4 - Card Scoring CCO 40p 14.6% 41
CCO '20 P3 - Mountains and Valleys CCO 40p 4.2% 12
CCO '20 P6 - Shopping Plans CCO 40p 6.6% 21
CCO '12 P6 - The Winds Of War CCO 30p 9.1% 23
CCO '15 P6 - Eggscavation CCO 30p 19.0% 59
CCO '16 P3 - Legends CCO 30p 10.5% 52
CCO '17 P3 - Vera and Modern Art CCO 30p 11.0% 60
CCO '17 P6 - Shifty Grid CCO 30p 13.0% 24
Mock CCO '18 Contest 3 Problem 2 - Roger Delegates Work to Jessica CCO 30p 27.5% 16
Mock CCO '18 Contest 3 Problem 3 - Roger Just Plays Some More Chess CCO 30p 13.2% 27
Mock CCO '18 Contest 3 Problem 6 - Roger Asks For More Marks CCO 30p 17.7% 8
CCO '18 P3 - Fun Palace CCO 30p 15.8% 53
CCO '18 P6 - Flop Sorting CCO 30p 16.5% 39
CCO '18 P5 - Boring Lectures (Online Version) CCO 30p 7.9% 31
CCO '19 P3 - Winter Driving CCO 30p 14.0% 27
CCO '06 P4 - CN Tower 2 CCO 30 8.8% 14
CCO '06 P5 - Domino CCO 30 0.0% 0
CCO '06 P6 - Paint by Numbers CCO 30 1.3% 1
CCO '05 P6 - Windows CCO 30p 14.0% 18
CCO '11 P6 - Biggest (Zero Carbon) Footprint CCO 25p 12.7% 65
CCO '13 P5 - Transforming Comets CCO 25p 18.1% 61
CCO '13 P6 - Repetitivity CCO 25p 38.4% 151
CCO Preparation Test 1 - Escape Maze CCO 25p 11.3% 35
CCO Preparation Test 1 - K-th Rank Student CCO 25p 33.9% 111
CCO Preparation Test 2 - Concatenation CCO 25p 10.4% 25
CCO Preparation Test 2 - Forest Area CCO 25p 3.8% 5
CCO Preparation Test 2 - Subsets CCO 25p 16.1% 36
CCO Preparation Test 3 - Packing Up CCO 25p 13.3% 71
CCO '16 P6 - Pirates CCO 25p 22.3% 55
Mock CCO '18 Contest 1 Problem 4 - A Rectangle Problem CCO 25p 16.5% 6
Mock CCO '18 Contest 1 Problem 5 - A Counting Problem CCO 25p 24.5% 9
Mock CCO '18 Contest 2 Problem 4 - Victor's Rectangles CCO 25p 26.1% 20
Mock CCO '18 Contest 2 Problem 5 - Victor's Triangles CCO 25p 30.3% 40
Mock CCO '18 Contest 2 Problem 6 - Victor's Cubes CCO 25p 17.9% 8
A Tree Problem CCO 25p 12.2% 5
CCO '20 P4 - Travelling Salesperson CCO 25p 13.4% 37
CCO '20 P5 - Interval Collection CCO 25p 12.6% 36
CCO '07 P3 - Bowling for Numbers++ CCO 20p 23.6% 132
CCO '07 P4 - Gerrymandering CCO 20p 1.3% 3
CCO '07 P6 - Road Construction CCO 20p 28.5% 147
CCO '10 P3 - Wowow CCO 20p 23.5% 214
CCO '12 P3 - Mhocskian Languages CCO 20p 47.6% 75
CCO '13 P3 - LHC CCO 20p 21.7% 298
CCO '13 P4 - A Romantic Movie Outing CCO 20p 19.6% 73