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Problem Category Points AC % Users ▾
DMOPC '19 Contest 7 P1 - Hydrocarbons DMOPC 7 45.3% 264
Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort FHC 10 31.5% 263
DMOPC '15 Contest 4 P2 - The Big Clock DMOPC 5p 41.1% 263
CCO '16 P4 - O Canada CCO 10p 36.4% 263
DWITE '11 R4 #2 - Prime Time DWITE 5 49.9% 263
CPC '19 Contest 1 P0 - Shoes Uncategorized 3p 56.9% 263
WOSS Dual Olympiad 2021 J2/S1: Secret Formula Seasonal 3 64.1% 263
Yet Another Contest 4 P1 - Snap YAC 5p 47.2% 263
DMOPC '22 Contest 1 P1 - Up-down Sequence DMOPC 5p 24.9% 263
Largest Permutation Uncategorized 7p 19.6% 262
DWITE '12 R1 #4 - Trick or Tree'ing DWITE 5 23.1% 262
RGPC '18 P1 - Giant Cookie Uncategorized 3 29.5% 262
SAC '21 Code Challenge P2 - Littering SAC Coding Challenge 5p 36.0% 262
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort Mock CCC 5p 44.4% 261
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm ACC 0 73.5% 261
BlueBook - Days BlueBook 3 32.8% 261
DMOPC '14 Contest 4 P3 - Golden Lily DMOPC 10p 23.1% 260
DMOPC '17 Contest 5 P2 - Mimi and Binary DMOPC 5p 19.8% 260
DMOPC '21 Contest 2 P1 - Bosses DMOPC 7p 18.1% 260
VMSS Pre-Pre-Windsor P3 - SC2 Multitasking Uncategorized 3 49.4% 259
PEG Test '11 - Cyclopian Air Uncategorized 3 29.1% 259
DMOPC '15 Contest 1 P2 - Itami and Squad DMOPC 5p 33.2% 258
VM7WC '16 #2 Bronze - G VM7WC 5 66.3% 258
COCI '07 Contest 1 #5 Srednji COCI 12p 44.0% 258
Back To School '19: H🅰️r🅰️mbe Seasonal 3 34.1% 258
MWC '15 #4 P4: Dealing with Knots MWC 7 37.9% 257
DWITE '09 R1 #3 - That Missing Number DWITE 5 52.7% 257
TLE '17 Contest 7 P1 - Stargazing TLE 3p 32.4% 257
CCC '20 S5 - Josh's Double Bacon Deluxe CCC 17p 29.6% 257
WC '18 Contest 3 J2 - Net Weight Woburn Challenge 5p 45.9% 257
Mock CCC '15 S2 - Problem-setting Pandemonium Mock CCC 5p 34.7% 256
DMOPC '15 Contest 4 P4 - Great Sequence DMOPC 10p 12.8% 256
TSOC '16 Contest 1 #6 - Joey and Biology TSOC 12p 29.6% 256
DMPG '17 G2 - Holy Grail War DMOPC 17p 27.7% 256
DWITE '07 R1 #4 - Stacks of Blocks DWITE 5 36.3% 255
Appleby Contest '19 P3 - A Recursion Problem Uncategorized 5p 33.0% 255
SAC '21 Code Challenge P5 - Friends of Friends SAC Coding Challenge 7p 22.2% 255
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem SAC Coding Challenge 3 62.9% 255
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles Mock CCC 5p 11.6% 255
MNYC '16: King Modulus Seasonal 3p 31.4% 254
CCC '23 S4 - Minimum Cost Roads CCC 15p 19.8% 254
CCO '14 P2 - King Gruff CCO 15p 36.2% 253
VM7WC '16 #6 Bronze - The Most Important Skill in Biology VM7WC 3 32.3% 253
COCI '06 Contest 5 #2 Natrij COCI 5 35.2% 253
LKP '18 Contest 1 P4 - Fun in Föràg Uncategorized 15p 13.3% 253
DWITE '07 R2 #4 - All Is Balanced DWITE 5 23.2% 252
WC '18 Contest 1 J1 - Homework Woburn Challenge 3p 57.3% 252
IOI '05 P1 - Garden IOI 20p 21.7% 252
CPC '21 Contest 1 P1 - AQT and Fractions Uncategorized 5p 16.2% 252
CPC '21 Contest 1 P4 - AQT and Directed Graph Uncategorized 12p 30.1% 252