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Problem Category Points AC % Users ▾
DMOPC '17 Contest 2 P4 - Mimi and Dictionary DMOPC 12p 21.6% 83
DMOPC '19 Contest 2 P4 - A Greedy Problem DMOPC 15p 20.4% 83
IOI '96 P3 - Network of Schools IOI 12p 23.7% 83
Mock CCC '14 J5 - Spacetime Surfer Mock CCC 10 30.0% 83
QCC P2 - Online School Uncategorized 5p 31.3% 83
SAC '22 Code Challenge 1 P3 - That Pool SAC Coding Challenge 7p 16.3% 83
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem SAC Coding Challenge 7p 18.4% 83
Lyndon's Golf Contest 1 P3 - Boolean (Buffed) Uncategorized 0p 56.8% 83
DMPG '16 S3 - The Faster Way DMOPC 10p 30.5% 82
IOI '12 P3 - Crayfish Scrivener IOI 15p 31.0% 82
DMOPC '17 Contest 3 P2 - Towers of Hanoi DMOPC 7p 18.2% 82
CTU Open Contest 2018 - Die ICPC 3 32.1% 82
Educational DP Contest AtCoder U - Grouping Uncategorized 15 34.5% 82
APIO '08 P2 - Roads APIO 20p 16.1% 82
NOI '01 P1 - Food Chain China NOI 15p 25.2% 82
COCI '09 Contest 6 #1 Kajak COCI 5p 66.7% 82
Chores Uncategorized 7 26.5% 82
DMOPC '20 Contest 5 P4 - Slacking Off DMOPC 15p 13.5% 82
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami DMOPC 12p 15.5% 82
DMOPC '21 Contest 9 P3 - Terrible Trains DMOPC 12p 22.4% 82
CSPC '15 #3 - Spell Check CSPC 7 27.9% 81
IOI '14 P6 - Holiday IOI 30 16.0% 81
New Year's '17 P3 - Fibonacci Presents Seasonal 10 12.8% 81
MNYC '17: 2048 Seasonal 5 29.3% 81
ECOO '17 R1 P2 - Chocolate Chewsday ECOO 5p 11.0% 81
Back To School '17: Sour Candy Seasonal 15p 28.5% 81
Back To School '17: New English Seasonal 12p 10.3% 81
DWITE '07 R4 #2 - And the winner is... DWITE 5 35.3% 81
NOI '05 P2 - Maintaining a Sequence China NOI 30p 20.4% 81
CCO '96 P4 - Where's Waldorf? CCO 7 47.2% 81
COCI '17 Contest 1 #5 Deda COCI 15 39.9% 81
CEOI '17 P2 - Sure Bet CEOI 10p 35.8% 81
CCO '19 P2 - Sirtet CCO 20p 24.3% 81
OCC '19 B3 - Difference Olympiads School 5 22.5% 81
Wesley's Anger Contest 3 Problem 4 - Canadian Construction Crew WAC 12p 20.4% 81
NOI '01 P4 - Applications of Arctangent China NOI 15 28.1% 81
NOI '07 P1 - Social Network China NOI 15p 33.1% 81
WC '17 Contest 2 J3 - Escaping the Mines Woburn Challenge 3 42.4% 81
Economy Uncategorized 3 44.7% 81
WCIPEG 2018 ECOO Qualifier P2 - EECOOOO ECOO 5 31.8% 81
BSSPC '21 J6 - Lakshy and Orz Trees Uncategorized 12 15.7% 81
Another Contest 8 Problem 5 - U-Turn Finesse ACC 15 18.9% 81
Stacking Boxes Uncategorized 5 34.9% 81
Cheerio Contest 3 P4 - Bit Flips Uncategorized 12 36.3% 81
CCO '07 P3 - Bowling for Numbers++ CCO 20p 10.5% 80
TSOC '15 Contest 2 #4 - Dungeon Crawling TSOC 10 36.3% 80
DMOPC '15 Contest 7 P3 - Harbourmaster DMOPC 7p 18.9% 80
HCI '16 - Jumping Uncategorized 20 13.1% 80
IOI '16 P6 - Aliens IOI 30p 7.1% 80
COCI '06 Contest 4 #5 Jogurt COCI 12p 47.7% 80