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Problem Category Points AC % ▾ Users
Machined Surfaces Uncategorized 5 52.2% 64
DWITE '10 R2 #2 - Seating Arrangement DWITE 5 52.2% 8
COCI '06 Regional #2 Tetris COCI 10 52.2% 39
Baltic OI '10 P3 - Printed Circuit Board Baltic OI 12p 52.2% 21
WC '17 Contest 2 J2 - Breeding an Army Woburn Challenge 3 52.1% 113
DWITE '02 R2 #3 - The Game of Life DWITE 7 52.0% 95
GlobeX Cup '18 S1 - Code Copiers Uncategorized 5p 52.0% 142
ECOO '12 R3 P1 - The Word Garden ECOO 5p 52.0% 9
Google Code Jam '22 Qualification Round Problem D - Chain Reactions Google Code Jam 12p 52.0% 8
Mock CCC '20 Contest 1 J2 - A Simplex Problem Mock CCC 3p 52.0% 595
Raytracing Uncategorized 10p 52.0% 170
CCO '98 P2 - Message Deciphering CCO 7 51.9% 20
Baltic OI '05 P5 - Bus Trip Baltic OI 17 51.9% 20
Chocolate Bar Uncategorized 5 51.8% 619
GFSSOC '14 Winter J3 - Waiting GFSSOC 3p 51.8% 431
CCCHK '15 J1 - Rock-paper-scissors CCC 3 51.8% 851
DWITE '11 R5 #3 - Unit rectangles DWITE 3 51.7% 71
Baltic OI '16 P2 - Park Baltic OI 20p 51.7% 11
TLE 2018-19 P2 - Willson and Trivial Problem Seasonal 0 51.7% 392
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea Mock CCC 3p 51.7% 748
COCI '10 Contest 1 #5 Tabovi COCI 10p 51.7% 72
MWC '15 #4 P2: Data Formatting MWC 5 51.7% 54
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem SAC Coding Challenge 3p 51.6% 209
COCI '13 Contest 5 #1 Lozinka COCI 3p 51.6% 92
Salsifa Hall Uncategorized 7 51.6% 9
NOIP '07 P1 - Counting Numbers China NOI 3p 51.5% 47
Triway Cup '19 Summer Junior P3 - Thor Goes for the Papaya Seasonal 5 51.5% 69
Necroposting Uncategorized 5 51.5% 41
ICPC ECNA 2005 C - The Game of Efil ICPC 12 51.4% 16
COCI '10 Contest 6 #3 Razine COCI 5p 51.4% 68
Unique Elements Classics 3p 51.4% 1381
COCI '12 Contest 2 #2 Krizaljka COCI 5p 51.4% 19
CCC '12 J3 - Icon Scaling CCC 3 51.3% 2879
COCI '15 Contest 1 #4 Topovi COCI 12p 51.3% 55
Adding Reversed Numbers Uncategorized 5 51.3% 504
TSOC '15 Contest 2 #2 - Diamonds TSOC 5 51.2% 219
SAC '21 Code Challenge P1 - Shrinkage SAC Coding Challenge 3 51.2% 492
CCC '21 J2 - Silent Auction CCC 3p 51.2% 2736
DWITE '09 R4 #5 - Ice Maze DWITE 10 51.2% 36
TLE '17 Contest 3 P1 - Willson and Territory TLE 3p 51.2% 103
ICPC NAQ 2016 J - Quick Estimates ICPC 3 51.2% 239
Max's Anger Contest Series 1 P2 - Wesley's Anger Contest 7 P1 - Enraged Seasonal 5 51.2% 223
COCI '08 Regional #2 Majstor COCI 5 51.2% 164
Wesley's Anger Contest 2 Problem 1 - OCT 31 = DEC 25? WAC 3 51.2% 207
COCI '14 Contest 2 #1 Mobitel COCI 5p 51.2% 205
COCI '15 Contest 7 #3 Ozljeda COCI 10 51.1% 36
DWITE '09 R7 #5 - Snapper Chain DWITE 10 51.1% 74
CCC '04 J4 - Simple Encryption CCC 5 51.0% 1711
COCI '19 Contest 6 #4 Skandi COCI 17p 51.0% 13
Diagnostic Test '16 Level 2 P3 - Remove Cancer Uncategorized 3 51.0% 114