Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points AC % ▴ Users
WC '97 P3 - Stacks of Flapjacks Woburn Challenge 15p 31.4% 8
ICPC NWERC 2015 A - Assigning Workstations ICPC 10 31.4% 13
DMOPC '14 Contest 3 P3 - Not Enough Personnel! DMOPC 7p 31.4% 387
GFSSOC '15 Winter S1 - OR-deal GFSSOC 5p 31.4% 331
CTU Open Contest 2018 - Die ICPC 3 31.4% 84
COCI '07 Contest 4 #4 Muzicari COCI 10 31.4% 250
COCI '08 Contest 6 #2 Bazen COCI 5 31.4% 73
TLE '16 Contest 2 P6 - The Great Search TLE 35p 31.4% 9
Wesley's Anger Contest 1 Problem 2 - A Minimum Cost Flow Problem WAC 7p 31.4% 115
DWITE '07 R5 #1 - I heart you DWITE 3 31.4% 74
COCI '21 Contest 3 #1 Lampice COCI 5p 31.4% 71
CCO '08 P4 - Herding CCO 10p 31.5% 221
DMPG '18 G4 - Variation DMOPC 15p 31.5% 26
CCO '10 P5 - Space Miner CCO 15 31.5% 52
COCI '14 Contest 4 #1 Cesta COCI 5p 31.5% 182
COCI '19 Contest 1 #5 Zoo COCI 12p 31.5% 38
TLE '17 Contest 3 P3 - Fax's Thanksgiving Dish TLE 10p 31.5% 186
GlobeX Cup '18 J2 - Mark Gambling Uncategorized 5p 31.5% 212
Another Contest 7 Problem 1 - Lonely Users ACC 3p 31.5% 503
WC '16 Contest 4 J2 - You're Dead! Woburn Challenge 7p 31.5% 44
Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort FHC 10 31.5% 265
ECOO '19 R2 P1 - Email ECOO 5p 31.6% 743
DMPG '16 S4 - MMORPG II DMOPC 12p 31.6% 41
COCI '11 Contest 1 #6 Skakac COCI 12p 31.6% 5
COCI '13 Contest 6 #2 Font COCI 7p 31.6% 34
Google Code Jam '17 Qualification Round Problem B - Tidy Numbers Google Code Jam 5p 31.6% 4
CCO '04 P6 - Orko CCO 15 31.6% 42
A20 Gate Uncategorized 5 31.6% 271
COCI '19 Contest 6 #5 Trener COCI 15p 31.6% 68
Bruce's Brittle Bridges Uncategorized 12p 31.6% 70
DMPG '15 B5 - Lux-urious S'mores DMOPC 5p 31.7% 92
NOI '97 P4 - Perfect Tour China NOI 5 31.7% 138
Mocking SpongeBob Uncategorized 3 31.7% 283
DMOPC '15 Contest 5 P3 - All Your Base DMOPC 7p 31.7% 113
COCI '18 Contest 1 #5 Teoretičar COCI 35p 31.7% 10
Bob's Farm Uncategorized 20p 31.7% 8
MWC '15 #4 P1: Love Guru 2 MWC 3 31.7% 54
COCI '09 Contest 2 #4 Vuk COCI 10 31.7% 98
COCI '14 Contest 1 #5 Zabava COCI 15p 31.7% 132
DWITE '09 R2 #2 - Mini DWITE DWITE 3 31.7% 90
HCI '16 - Foodie Uncategorized 7p 31.7% 60
A Digit Problem Uncategorized 12p 31.8% 59
DWITE '02 R2 #1 - Sales! DWITE 5 31.8% 91
COCI '18 Contest 3 #4 NLO COCI 15 31.8% 18
Cheerio Contest 1 S2 - School Expansion Uncategorized 7p 31.8% 127
DMPG '15 B1 - Loner Phoner DMOPC 3p 31.8% 347
CCOQR '16 - Stupendous Bowties CCC 10p 31.8% 248
RTE '16 S1 - Battery Pyramids Uncategorized 7p 31.8% 79
WCIPEG 2018 ECOO Qualifier P2 - EECOOOO ECOO 5 31.8% 81
COCI '13 Contest 4 #2 Gmo COCI 5p 31.8% 39