Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points AC % ▾ Users
Mock CCC '20 Contest 1 J5 - A Prime Problem Mock CCC 12p 2.8% 20
DMOPC '19 Contest 5 P4 - Cafeteria Confrontation Conundrum DMOPC 7p 40.3% 168
Wesley's Anger Contest 5 Problem 1 - Matryoshka Acorns WAC 5p 50.3% 355
DMOPC '19 Contest 5 P5 - Crazy Cyclic Coincidences DMOPC 17p 19.7% 43
CCC '20 J4 - Cyclic Shifts (Hard) CCC 12p 3.8% 36
DMOPC '19 Contest 5 P6 - Cecilia's Computational Crisis DMOPC 20p 8.2% 26
DMOPC '19 Contest 5 P3 - Captivating Construction Challenge DMOPC 12p 44.9% 120
DMOPC '19 Contest 5 P2 - Charlie's Crazy Conquest DMOPC 5 19.3% 444
DMOPC '19 Contest 5 P0 - Concurrent Competitor Counting DMOPC 3 68.2% 395
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist DMOPC 5 62.0% 732
DMOPC '19 Contest 7 P1 - Hydrocarbons DMOPC 7 45.1% 264
DMOPC '19 Contest 6 P1 - Grade 9 Math DMOPC 7 10.5% 226
DMOPC '19 Contest 6 P2 - Grade 10 Math DMOPC 7 34.8% 336
DMOPC '19 Contest 6 P3 - Grade 11 Math DMOPC 10p 14.4% 119
DMOPC '19 Contest 6 P5 - University Math DMOPC 30p 6.6% 11
DMOPC '19 Contest 6 P6 - Math is Difficult DMOPC 25p 16.1% 28
DMOPC '19 Contest 6 P0 - Trivial Math DMOPC 3 64.8% 585
DMOPC '19 Contest 7 P3 - Tree Pruning DMOPC 12p 21.3% 137
Wesley's Anger Contest 4 Problem 4 - The Almighty Acorn WAC 35p 6.8% 4
PIB '20 P5 - 4D Matrices Uncategorized 10p 39.8% 23
COCI '19 Contest 2 #1 ACM COCI 5p 52.4% 10
COCI '19 Contest 2 #2 Slagalica COCI 10p 16.7% 23
COCI '19 Contest 2 #3 Checker COCI 12p 28.7% 26
CCC '20 S3 - Searching for Strings CCC 12p 8.9% 843
CCC '20 S4 - Swapping Seats CCC 12p 25.6% 491
PIB '20 P2 - 2 + 2 = 5 Uncategorized 5p 31.9% 100
PIB '20 P1 - Marcus and Head Bonks Uncategorized 3p 69.2% 307
COCI '19 Contest 4 #2 Spiderman COCI 7p 19.7% 51
COCI '19 Contest 4 #3 Holding COCI 15p 29.4% 76
COCI '19 Contest 4 #4 Klasika COCI 17p 12.9% 54
COCI '19 Contest 4 #5 Nivelle COCI 12p 44.4% 59
COCI '19 Contest 3 #1 Preokret COCI 5p 17.8% 58
COCI '19 Contest 3 #2 Grudanje COCI 7p 50.0% 53
COCI '19 Contest 3 #3 Drvca COCI 15p 17.7% 33
COCI '19 Contest 3 #4 Lampice COCI 25p 11.3% 34
COCI '19 Contest 3 #5 Sob COCI 15p 30.3% 34
COCI '19 Contest 6 #1 Datum COCI 5p 36.4% 32
COCI '19 Contest 6 #2 Birmingham COCI 7p 42.2% 76
COCI '19 Contest 6 #3 Konstrukcija COCI 20p 21.4% 2
COCI '19 Contest 6 #4 Skandi COCI 17p 51.0% 13
COCI '19 Contest 6 #5 Trener COCI 15p 31.6% 68
COCI '19 Contest 1 #5 Zoo COCI 12p 31.5% 38
COCI '19 Contest 1 #4 Trobojnica COCI 15p 14.6% 6
DMOPC '19 Contest 6 P4 - Grade 12 Math DMOPC 15p 23.4% 119
Another Contest 6 Problem 6 - Name That Song ACC 0p 0.6% 8
Wesley's Anger Contest 4 Problem 2 - Squirrel Election WAC 7p 20.4% 212
Wesley's Anger Contest 4 Problem 1 - Zeyu's Zany Zort WAC 3 39.8% 226
Wesley's Anger Contest 5 Problem 3 - Super Squirrel Sisters WAC 12p 19.6% 113
Wesley's Anger Contest 4 Problem 3 - Squirrel Tag WAC 12p 15.5% 73
ICPC NEERC 2018 J - JS Minification ICPC 20 32.4% 4