Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Types Points AC % Users
Mock CCC '22 2 S5 - Kaguya Wants to go Window Shopping with Kei Shirogane Mock CCC Dynamic Programming 30p 5.5% 5
Mock CCC '23 1 S1 - Composite Fibonacci Numbers Mock CCC Brute Force 5p 13.1% 150
Mock CCC '23 1 S2 - Keenan Hates Triangles Mock CCC Brute Force 5p 22.2% 98
Mock CCC '23 1 S3 - Richard The Penguin Mock CCC Brute Force 10p 5.9% 27
Mock CCC '23 1 S4 - Roger Says Yabe Mock CCC Graph Theory 15p 7.2% 20
Mock CCC '23 1 S5 - The Obligatory Data Structures Problem Mock CCC Data Structures 25p 14.0% 10
Mock CCC '23 2 S1 - Composite Fibonacci Numbers Mock CCC Brute Force 3p 23.3% 284
Mock CCC '23 2 S2 - Keenan Hates Triangles Mock CCC Greedy Algorithms 7p 2.3% 38
Mock CCC '23 2 S3 - Richard The Penguin Mock CCC Simple Math 10p 3.9% 13
Mock CCC '23 2 S4 - Roger Says Yabe Mock CCC Graph Theory 15p 19.0% 7
Mock CCC '23 2 S5 - The Obligatory Data Structures Problem Mock CCC Data Structures 25p 11.5% 4
Mock CCC '18 Contest 1 J1 - A String Problem Mock CCC Brute Force 3p 45.2% 510
Mock CCC '18 Contest 1 J2 - A Substring Problem Mock CCC Brute Force 3p 27.4% 348
Mock CCC '18 Contest 1 J3/S1 - A Math Problem Mock CCC Simple Math 5p 23.3% 350
Mock CCC '18 Contest 1 J4/S2 - A Square Problem Mock CCC Implementation 5 33.7% 434
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem Mock CCC Simulation 7p 21.6% 123
Mock CCC '18 Contest 1 S4 - A Graph Problem Mock CCC Graph Theory 12p 20.2% 103
Mock CCC '18 Contest 1 S5 - A Palindrome Problem Mock CCC Dynamic Programming 15p 8.5% 18
Mock CCC '18 Contest 2 J1 - An Arithmetic Problem Mock CCC Implementation 3p 48.9% 448
Mock CCC '18 Contest 2 J2 - A Software Engineering Task Mock CCC Implementation 3p 35.9% 167
Mock CCC '18 Contest 2 J3/S1 - An Array Problem Mock CCC Simulation 7p 16.2% 377
Mock CCC '18 Contest 2 J4/S2 - A Geometry Problem Mock CCC Implementation 7p 17.4% 121
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem Mock CCC Dynamic Programming 10p 19.6% 57
Mock CCC '18 Contest 2 S4 - A Tree Problem Mock CCC Graph Theory 12p 17.7% 65
Mock CCC '18 Contest 2 S5 - A Link/Cut Tree Problem Mock CCC Data Structures, Graph Theory 15p 23.0% 92
Mock CCC '18 Contest 3 J1 - A Sum Problem Mock CCC Implementation 3p 61.4% 627
Mock CCC '18 Contest 3 J2 - A Palindrome Problem Mock CCC Brute Force 3p 24.2% 246
Mock CCC '18 Contest 3 J3/S1 - A String Problem Mock CCC Brute Force 5p 35.4% 363
Mock CCC '18 Contest 3 J4/S2 - A Median Problem Mock CCC Implementation 5p 36.6% 487
Mock CCC '18 Contest 3 J5/S3 - A Cookie-Cutter Problem Mock CCC Geometry 10p 10.0% 59
Mock CCC '18 Contest 3 S4 - A Graph Problem Mock CCC Graph Theory 10 25.7% 214
Mock CCC '18 Contest 3 S5 - A Rage Tree Problem Mock CCC Data Structures 20p 11.2% 46
Mock CCC '18 Contest 5 J1 - Looking for the CCC Mock CCC String Algorithms 3p 44.8% 579
Mock CCC '18 Contest 5 J2 - Smallest Mode Mock CCC Brute Force 3p 26.3% 233
Mock CCC '18 Contest 5 J3/S1 - Median Triples Mock CCC Brute Force 5p 29.4% 236
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort Mock CCC Implementation 5p 43.5% 264
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity Mock CCC Graph Theory 7p 41.8% 510
Mock CCC '18 Contest 5 S4 - Sparse Binary String Counting Mock CCC Simple Math 10p 18.3% 93
Mock CCC '18 Contest 5 S5 - California Boggle Mock CCC Graph Theory 20p 10.6% 35
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card Mock CCC Implementation 3p 36.1% 999
Mock CCC '19 Contest 1 J2 - Pusheen OCR Mock CCC String Algorithms 3p 55.0% 742
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri Mock CCC Brute Force 3p 18.6% 354
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume Mock CCC Implementation 3p 18.7% 306
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat Mock CCC Dynamic Programming 7p 17.1% 235
Mock CCC '19 Contest 1 S1 - Pusheen's Report Card Mock CCC Implementation 3p 41.4% 638
Mock CCC '19 Contest 1 S2 - Pusheen's Puzzle Present Mock CCC Implementation 5p 26.9% 371
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri Mock CCC Graph Theory 12p 5.2% 54
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume Mock CCC Dynamic Programming 12 17.7% 102
Mock CCC '19 Contest 1 S5 - Pusheen Eats Even More Tuna Sashimi and Tuna Nigiri Mock CCC Data Structures, Graph Theory 20 2.3% 10
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea Mock CCC Implementation 3p 51.7% 770