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Problem Category Points AC % ▾ Users
Max's Anger Contest Series 2 P3 - Array Anger Seasonal 7p 42.9% 153
CCC '01 J2 - Mod Inverse CCC 3 42.9% 2523
CCC '20 S1 - Surmising a Sprinter's Speed CCC 5p 42.9% 2048
CCC '08 J4 - From Prefix to Postfix CCC 7 42.9% 887
CTU Open Contest 2018 - Lighting ICPC 12 42.9% 12
CTU Open Contest 2018 - Split Game ICPC 15 42.9% 9
WC '99 Suicidal P3 - Message Woburn Challenge 12 42.9% 5
IOI '12 P4 - Ideal City (Standard I/O) IOI 25p 42.9% 5
COCI '20 Contest 1 #2 Bajka COCI 7p 42.9% 54
COI '16 #1 Ili COCI 17p 42.9% 3
NOIP '99 Junior P1 - Cantor Table China NOI 5p 42.9% 15
JOI '21 Open P1 - Crossing JOI 20p 42.9% 9
NOIP '08 P3 - Message Passing China NOI 15p 42.9% 16
Google Code Jam '10 Qualification Round Problem B - Snapper Chain Google Code Jam 5p 42.9% 6
Google Code Jam '11 Qualification Round Problem C - Magicka Google Code Jam 5p 42.9% 3
CCC '20 J3 - Art CCC 3p 42.9% 2357
CCC '13 S5 - Factor Solitaire CCC 15p 42.8% 732
NOIP '18 P2 - Currency System China NOI 10p 42.8% 114
New Year's '15 P1 - Invitation Devastation Seasonal 3 42.8% 355
COCI '07 Contest 3 #2 Oktalni COCI 3 42.7% 302
BlueBook - Column of Numbers BlueBook 3 42.6% 690
COCI '13 Contest 3 #3 Rečenice COCI 7p 42.6% 20
GFSSOC '14 Winter S1 - Friendship is a number GFSSOC 5p 42.5% 200
Intertwined Strings Uncategorized 7p 42.5% 143
DWITE '10 R3 #5 - E-Searching DWITE 7 42.4% 10
Amplitude Hackathon '23 Practice Problem 5 - What is Spenser's Last Name? Uncategorized 0p 42.4% 27
COCI '21 Contest 1 #1 Ljeto COCI 5p 42.4% 113
WC '17 Contest 2 J3 - Escaping the Mines Woburn Challenge 3 42.4% 81
GFSSOC '15 Fall S2 - Hearth GFSSOC 5p 42.4% 352
DMOPC '16 Contest 1 P1 - A New Chapter DMOPC 3p 42.3% 350
ECOO '13 R2 P2 - The Walking Dead ECOO 7p 42.3% 9
DWITE '07 R4 #4 - Shortest path around DWITE 7 42.3% 186
CCO '13 P2 - Tourney CCO 12p 42.3% 378
Bulgarian OI '09 P1 - Minesweeper Bulgarian OI 10 42.3% 65
COCI '20 Contest 6 #2 Alias COCI 10p 42.3% 149
MNYC '17: ASCII Art II Seasonal 5 42.3% 61
Python PIe Uncategorized 0p 42.3% 70
ECOO '14 R2 P3 - EasySweeper ECOO 10p 42.3% 16
COCI '13 Contest 2 #4 Putnik COCI 12p 42.2% 170
COCI '19 Contest 6 #2 Birmingham COCI 7p 42.2% 76
COCI '16 Contest 2 #4 Prosječni COCI 10p 42.2% 31
Mathtermind Uncategorized 7 42.2% 9
Cheerio Contest 3 P2 - Double-O-Seven Uncategorized 5p 42.2% 387
UTS Open '21 P3 - Latin Class Uncategorized 10p 42.1% 187
DWITE '10 R1 #5 - Ricochet Robot DWITE 7 42.1% 19
NOI '15 P5 - Cocktail Party China NOI 25p 42.1% 13
CCO '14 P3 - Werewolf CCO 17p 42.1% 194
DWITE '12 R2 #4 - Magic Trick DWITE 7 42.1% 212
DMPG '18 B4 - Shimnanigans (Hard Version) DMOPC 5 42.1% 39
COCI '06 Contest 1 #2 Herman COCI 5 42.1% 654