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Problem Category Points AC % Users ▾
CCC '97 S2 - Nasty Numbers CCC 5 45.9% 794
Bubble Sort Uncategorized 7 33.9% 789
ECOO '17 R3 P1 - Baker Brie ECOO 5p 40.4% 787
Maximum Sum Uncategorized 7 33.3% 787
Fibonacci Sequence Uncategorized 15p 13.1% 781
DMOPC '14 Contest 2 P1 - Logging Log DMOPC 3p 37.6% 780
Back From Summer '17 P1: Pithy Pastimes Seasonal 3 39.2% 780
CCC '17 S4 - Minimum Cost Flow CCC 17p 14.1% 771
Mock CCC '15 J1 - 416 Mock CCC 3p 24.1% 761
A Noisy Class Uncategorized 7 29.4% 752
DMOPC '14 Contest 5 P2 - Longest Tunnel DMOPC 3p 65.1% 751
COCI '17 Contest 1 #1 Cezar COCI 3 32.7% 748
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea Mock CCC 3p 51.7% 748
COCI '14 Contest 2 #2 Utrka COCI 5p 28.8% 744
ECOO '19 R2 P1 - Email ECOO 5p 31.6% 742
Binary Indexed Tree Test Data Structure Tests 10p 28.8% 741
CCC '08 S4 - Twenty-four CCC 10 25.4% 739
Mock CCC '23 Contest 1 J1 - Final Velocity Mock CCC 3 66.3% 739
CCC '05 S5 - Pinball Ranking CCC 12p 19.5% 738
Is it a Tree? Seasonal 7p 33.4% 736
CCC '13 S5 - Factor Solitaire CCC 15p 42.8% 732
Coin Change Uncategorized 7 40.4% 728
DMOPC '14 Contest 7 P2 - Tides DMOPC 5p 19.1% 727
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist DMOPC 5 62.1% 727
Mock CCC '19 Contest 1 J2 - Pusheen OCR Mock CCC 3p 54.8% 725
CCC '02 J1 - 0123456789 CCC 3 5.4% 722
Word Scrambler Uncategorized 5 49.7% 722
CCC '04 S2 - TopYodeller CCC 5 21.5% 721
DMPG '16 B1 - BFS DMOPC 3p 56.3% 706
CCC '08 S5 - Nukit CCC 10p 37.2% 705
IOI '01 P1 - Mobile Phones IOI 15p 27.5% 702
BlueBook - Min BlueBook 3 39.6% 702
Mock CCC '22 Contest 2 J1 - Opening Ceremony Mock CCC 3 48.2% 702
BlueBook - Cost BlueBook 3 20.5% 690
BlueBook - Column of Numbers BlueBook 3 42.6% 690
Postfix Notation Uncategorized 7 19.0% 684
CCC '09 J4 - Signage CCC 7 29.2% 684
BlueBook - Powers of 2 BlueBook 3 36.4% 683
CCC '03 S5 - Trucking Troubles CCC 10p 17.5% 681
DMOPC '15 Contest 1 P1 - Itami and Manga DMOPC 3p 48.3% 681
ACM U of T Tryouts C0 B - Interleaving Leaves ICPC 5 53.8% 681
The Mirror Uncategorized 5 33.3% 678
CCC '14 S4 - Tinted Glass Window CCC 15p 29.2% 672
Quine Classics 10 35.6% 667
Valentine's Day '15 P2 - Simon and Marcy Seasonal 7p 53.9% 665
Educational DP Contest AtCoder H - Grid 1 Uncategorized 7 43.4% 659
DMOPC '14 Contest 1 P1 - Median Mark DMOPC 5p 20.2% 657
Mock CCC '22 Contest 1 J1 - Square Root Decomposition Mock CCC 3 40.9% 657
DMPG '17 S2 - Anime Conventions DMOPC 7p 27.3% 656
COCI '06 Contest 1 #2 Herman COCI 5 42.1% 654