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Problem Category Points AC % Users ▾
DMOPC '16 Contest 3 P0 - Negative Feedback DMOPC 3 63.4% 507
Adding Reversed Numbers Uncategorized 5 51.3% 507
COCI '06 Contest 4 #1 Sibice COCI 3 58.8% 506
CCO '15 P2 - Artskjid CCO 15p 15.4% 504
Educational DP Contest AtCoder F - LCS Uncategorized 7 34.9% 503
Another Contest 7 Problem 1 - Lonely Users ACC 3p 31.5% 503
Coding Spree Uncategorized 7p 41.1% 502
CCC '19 S3 - Arithmetic Square CCC 12p 13.6% 501
DMOPC '21 Contest 6 P1 - Bigger Big Integer DMOPC 3p 48.8% 501
COCI '18 Contest 2 #1 Preokret COCI 5p 31.2% 500
GFSSOC '14 Winter J2 - Wow much parking lot GFSSOC 3p 52.6% 497
Mock CCC '18 Contest 1 J1 - A String Problem Mock CCC 3p 45.0% 497
CCC '24 S1 - Hat Circle CCC 3p 68.1% 497
IOI '11 P3 - Rice Hub (Standard I/O) IOI 15p 19.4% 496
CCC '98 S2 - Cross Number Puzzle CCC 5 43.1% 495
An Animal Contest 2 P1 - Koala Konundrum AAC 5 44.6% 494
SAC '21 Code Challenge P1 - Shrinkage SAC Coding Challenge 3 51.2% 493
CCC '20 S4 - Swapping Seats CCC 12p 25.6% 491
COCI '06 Contest 1 #5 Bond COCI 12 24.1% 489
CCC '24 J2 - Dusa And The Yobis CCC 3p 61.1% 488
DMOPC '14 Contest 3 P6 - Not Enough Time! DMOPC 10p 35.5% 487
COCI '08 Contest 1 #1 Skocimis COCI 5 47.6% 487
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity Mock CCC 7p 40.9% 487
Mock CCC '14 J1 - Love Overdose Mock CCC 3 21.9% 487
An Animal Contest 1 P3 - Happy Alpacas AAC 7p 20.6% 487
DMOPC '15 Contest 2 P2 - Admin War DMOPC 3p 57.1% 485
COCI '13 Contest 1 #4 Lopov COCI 15p 27.6% 485
GFSSOC '14 Winter J5 - Pursuit of Knowledge GFSSOC 10p 24.6% 483
CCC '24 J3 - Bronze Count CCC 5p 47.2% 482
CCO '12 P2 - The Hungary Games CCO 15 24.3% 481
Mock CCC '18 Contest 3 J4/S2 - A Median Problem Mock CCC 5p 36.8% 481
Mock CCC '20 S1 - War Mock CCC 3p 29.7% 478
BlueBook - Voting BlueBook 3 53.4% 478
BlueBook - World Pop BlueBook 3 28.3% 478
DMOPC '17 Contest 5 P1 - IOI 101 DMOPC 3p 49.4% 477
DMOPC '13 Contest 3 P3 - Crossing Field DMOPC 7p 21.8% 475
DMOPC '14 Exam Time P1 - French Homework DMOPC 3 49.5% 472
COCI '08 Contest 4 #1 Mjehuric COCI 3 38.7% 472
WC '15 Contest 1 J1 - Do You Know Your Woburn Colours? Woburn Challenge 3 49.6% 472
Mock CCC '24 Contest 1 J1 - Lemon Bathtub Mock CCC 3 61.5% 472
Mock CCC '22 Contest 2 J3 - Figure Skating Fun Mock CCC 5p 30.1% 470
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC TLE 5p 37.3% 469
Hardcore Grinding Uncategorized 5 38.1% 468
Another Contest 4 Problem 0 - The April Fools Warmup Problem ACC 0 27.7% 467
DMOPC '15 Contest 3 P1 - Quality Scenes DMOPC 3p 17.6% 466
DMOPC '19 Contest 3 P1 - Mode Finding DMOPC 5 29.2% 466
VMSS '15 #4 - Frank and Roads VM7WC 10 36.0% 465
CCC '22 J5 - Square Pool CCC 10p 20.5% 464
Educational DP Contest AtCoder L - Deque Uncategorized 10 54.7% 463
Educational DP Contest AtCoder G - Longest Path Uncategorized 10 47.0% 462