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Problem Category Points AC % Users ▾
CCC '97 S2 - Nasty Numbers CCC 5 45.9% 793
Bubble Sort Uncategorized 7 33.9% 786
Maximum Sum Uncategorized 7 33.3% 780
DMOPC '14 Contest 2 P1 - Logging Log DMOPC 3p 37.6% 779
Back From Summer '17 P1: Pithy Pastimes Seasonal 3 39.2% 779
Fibonacci Sequence Uncategorized 15p 13.0% 776
ECOO '17 R3 P1 - Baker Brie ECOO 5p 40.3% 776
CCC '17 S4 - Minimum Cost Flow CCC 17p 14.1% 769
Mock CCC '15 J1 - 416 Mock CCC 3p 24.1% 760
A Noisy Class Uncategorized 7 29.4% 751
DMOPC '14 Contest 5 P2 - Longest Tunnel DMOPC 3p 65.1% 749
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea Mock CCC 3p 51.9% 748
COCI '17 Contest 1 #1 Cezar COCI 3 32.7% 744
COCI '14 Contest 2 #2 Utrka COCI 5p 28.8% 742
Binary Indexed Tree Test Data Structure Tests 10p 28.8% 738
CCC '05 S5 - Pinball Ranking CCC 12p 19.5% 737
ECOO '19 R2 P1 - Email ECOO 5p 31.5% 737
CCC '08 S4 - Twenty-four CCC 10 25.5% 732
CCC '13 S5 - Factor Solitaire CCC 15p 42.8% 731
Mock CCC '23 Contest 1 J1 - Final Velocity Mock CCC 3 67.2% 730
Coin Change Uncategorized 7 40.4% 725
Is it a Tree? Seasonal 7p 32.9% 724
DMOPC '14 Contest 7 P2 - Tides DMOPC 5p 19.1% 724
Word Scrambler Uncategorized 5 49.7% 721
CCC '04 S2 - TopYodeller CCC 5 21.5% 721
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist DMOPC 5 62.2% 721
CCC '02 J1 - 0123456789 CCC 3 5.3% 718
Mock CCC '19 Contest 1 J2 - Pusheen OCR Mock CCC 3p 54.7% 714
CCC '08 S5 - Nukit CCC 10p 37.2% 705
DMPG '16 B1 - BFS DMOPC 3p 56.3% 704
IOI '01 P1 - Mobile Phones IOI 15p 27.4% 701
BlueBook - Min BlueBook 3 39.6% 700
Mock CCC '22 Contest 2 J1 - Opening Ceremony Mock CCC 3 48.5% 695
BlueBook - Cost BlueBook 3 20.5% 689
BlueBook - Column of Numbers BlueBook 3 42.5% 689
CCC '09 J4 - Signage CCC 7 29.3% 682
Postfix Notation Uncategorized 7 19.0% 681
BlueBook - Powers of 2 BlueBook 3 36.5% 681
CCC '03 S5 - Trucking Troubles CCC 10p 17.5% 679
ACM U of T Tryouts C0 B - Interleaving Leaves ICPC 5 53.9% 679
DMOPC '15 Contest 1 P1 - Itami and Manga DMOPC 3p 48.6% 678
The Mirror Uncategorized 5 33.3% 675
CCC '14 S4 - Tinted Glass Window CCC 15p 29.2% 672
Quine Classics 10 35.6% 664
Valentine's Day '15 P2 - Simon and Marcy Seasonal 7p 53.9% 663
COCI '06 Contest 1 #2 Herman COCI 5 42.1% 654
DMPG '17 S2 - Anime Conventions DMOPC 7p 27.3% 654
DMOPC '14 Contest 1 P1 - Median Mark DMOPC 5p 20.3% 652
Mock CCC '22 Contest 1 J1 - Square Root Decomposition Mock CCC 3 41.4% 652
CCC '22 S3 - Good Samples CCC 10p 18.3% 651