Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points AC % ▾ Users
CCC '22 S5 - Good Influencers CCC 17p 32.6% 186
CCC '22 J1 - Cupcake Party CCC 3 55.3% 2931
CCC '22 J2 - Fergusonball Ratings CCC 3 47.5% 2682
CCC '22 J3 - Harp Tuning CCC 5p 33.2% 1501
CCC '22 J5 - Square Pool CCC 10p 20.4% 464
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System Mock CCC 3 35.0% 224
Yet Another Contest 2 P3 - Maximum Damage YAC 10p 7.9% 62
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem SAC Coding Challenge 3 62.9% 255
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem SAC Coding Challenge 3p 51.6% 209
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem SAC Coding Challenge 5p 26.6% 171
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem SAC Coding Challenge 7p 18.6% 98
SAC '22 Code Challenge 4 Junior P5 - Obligatory Output Only Problem SAC Coding Challenge 10 24.6% 38
Yet Another Contest 2 P6 - Travel Budget YAC 20p 15.0% 37
Yet Another Contest 2 P5 - Mirror Maze YAC 17p 30.1% 44
Yet Another Contest 2 P1 - Betting YAC 5p 22.6% 259
Yet Another Contest 2 P2 - Secret Sequence YAC 7p 26.3% 132
COCI '21 Contest 5 #1 Kemija COCI 7p 39.0% 97
COCI '21 Contest 5 #2 Dijamant COCI 10p 26.8% 26
COCI '21 Contest 5 #5 Usmjeravanje COCI 20p 19.4% 14
COCI '21 Contest 5 #3 Fliper COCI 30p 0.0% 0
COCI '21 Contest 5 #4 Radio COCI 17p 13.7% 31
MALD Contest 1 P5 - Scratch Cat and Desktop Backgrounds Uncategorized 17p 9.9% 17
DMOPC '21 Contest 7 P5 - King's Commands DMOPC 35p 6.3% 6
The Contest Contest 1 P4 - A Typical YAC Problem Uncategorized 25p 3.4% 7
DMOPC '21 Contest 7 P2 - Knitting Scarves DMOPC 7 24.3% 184
COI '15 #1 Dijamant COCI 25p 44.4% 8
COI '15 #2 Palinilap COCI 25p 20.3% 13
COI '15 #3 Relay COCI 30p 20.7% 5
COI '15 #4 Torrent COCI 25p 35.2% 22
COI '13 #1 CSS COCI 20p 7.7% 8
DMOPC '21 Contest 7 P6 - Rainbow Subgraphs DMOPC 30p 14.6% 8
COI '10 #1 Sort COCI 10p 19.6% 14
COI '10 #2 Telka COCI 12p 37.5% 17
COI '10 #3 Rijeka COCI 10p 34.3% 20
DMOPC '21 Contest 7 P1 - Chika Grids DMOPC 5p 26.6% 285
COI '09 #4 Roboti COCI 25p 0.0% 0
COI '10 #4 Kamion COCI 30p 20.0% 1
COI '11 #1 Kampanja COCI 20p 26.8% 20
COI '11 #2 Mjesec COCI 30p 6.5% 1
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami DMOPC 12p 15.5% 82
COI '11 #3 Setnja COCI 25p 50.0% 2
COI '11 #4 Trampolin COCI 17 20.0% 7
BPC 1 S5 - Temple Uncategorized 25p 7.2% 10
COI '13 #2 Histogrami COCI 30p 11.1% 1
BPC 1 S6 - Painters Uncategorized 30p 9.0% 9
BPC 1 J4 - Assignment of the Year Uncategorized 10p 10.0% 46
BPC 1 J3 - Group Project Uncategorized 5 43.8% 220
COI '10 #5 Lovci COCI 35p 23.5% 1
COI '13 #3 Mostovi COCI 30p 12.0% 8
COI '13 #4 Nizovi COCI 20p 10.2% 11