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Problem Category Points AC % ▾ Users
COCI '07 Contest 1 #1 Cetvrta COCI 5 56.4% 410
CCC '12 S1 - Don't pass me the ball! CCC 3 56.4% 2240
CCC '14 J3 - Double Dice CCC 3 56.4% 4488
DMPG '16 B1 - BFS DMOPC 3p 56.3% 706
DeMello's Leeches Uncategorized 15p 56.3% 42
DWITE '10 R4 #2 - Primal Numbers DWITE 5 56.3% 28
Capture The Flag 2 Uncategorized 12 56.3% 9
Click The Formulas Uncategorized 0 56.3% 7
DMOPC '19 Contest 7 P0 - Contest Feedback DMOPC 3 56.2% 364
DWITE '07 R4 #1 - Curve-shot DWITE 5 56.1% 32
Hello, World! Uncategorized 3 56.1% 12235
CCC '20 J1 - Dog Treats CCC 3 56.1% 4018
Lyndon's Golf Contest 1 P2 - A Cube Problem Uncategorized 0p 56.1% 135
COCI '11 Contest 2 #2 Okret COCI 7p 56.1% 35
DWITE '11 R3 #1 - Weighted Presents DWITE 3 56.0% 44
CCC '08 J3 - GPS Text Entry CCC 3 56.0% 1341
ICPC PACNW 2016 A - Alphabet ICPC 7 56.0% 314
COCI '10 Contest 5 #2 Košarka COCI 5p 56.0% 26
JOI '22 Final P1 - Intercastellar JOI 10p 56.0% 25
Lyndon's Golf Contest 1 P9 - Fibonacci: The Finale Uncategorized 0p 55.9% 68
COCI '20 Contest 5 #1 Šifra COCI 5p 55.8% 65
COCI '22 Contest 4 #3 Bojanje COCI 17p 55.8% 23
April Fools' Day Contest 1 P1 - Sample Case Uncategorized 0 55.7% 228
DMOPC '14 Contest 7 P1 - Flare DMOPC 3p 55.7% 546
ECOO '15 R2 P1 - The Interlace Cypher ECOO 7p 55.7% 75
GlobeX Cup '19 J1 - Chess Master Winnie Uncategorized 3p 55.7% 213
Facebook Hacker Cup '15 Round 2 P2 - All Critical FHC 15 55.6% 42
Google Code Jam '15 Qualification Round Problem A - Standing Ovation Google Code Jam 3p 55.6% 10
CCC '18 J3 - Are we there yet? CCC 3 55.5% 3112
Scroll Seasonal 0 55.5% 2247
CPC '19 Contest 1 P1 - Distance Uncategorized 3p 55.5% 339
IOI '09 P4 - Raisins IOI 10p 55.4% 543
CCC '23 J1 - Deliv-e-droid CCC 3p 55.4% 1733
WC '18 Contest 1 J3 - Comparing Grades Woburn Challenge 5p 55.4% 135
WC '16 Finals S3 - Privacy Woburn Challenge 12p 55.4% 75
CCC '22 J1 - Cupcake Party CCC 3 55.3% 2930
DWITE '09 R7 #2 - Sum of Primes DWITE 5 55.3% 348
Bob's Temple Uncategorized 5 55.2% 69
CCO '98 P2 - Message Deciphering CCO 7 55.2% 23
CCC '11 S2 - Multiple Choice CCC 3 55.1% 6283
Educational DP Contest AtCoder J - Sushi Uncategorized 12 55.1% 215
CCC '24 S2 - Heavy-Light Composition CCC 5p 55.0% 450
DWITE '07 R4 #3 - Don't follow my links DWITE 5 54.9% 10
UCRPC F21 D - Stake Your Claim ICPC 10 54.9% 37
Mock CCC '19 Contest 1 J2 - Pusheen OCR Mock CCC 3p 54.8% 725
DWITE '11 R4 #1 - Crossword Count DWITE 5 54.8% 16
COCI '14 Contest 6 #1 Paprika COCI 3p 54.8% 85
JOI '16 Final P2 - Semiexpress JOI 12 54.8% 17
WC '17 Finals S1 - An Interspecific Army Woburn Challenge 5p 54.8% 207
UCC Coding Competition '21 P1 - Counterfeit Detection Uncategorized 3p 54.7% 408