Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points ▾ AC % Users
COCI '15 Contest 1 #1 Karte COCI 5 61.9% 107
COCI '15 Contest 1 #2 Akcija COCI 5 41.3% 84
TLE '16 Contest 1 P2 - Heavy-Light Decomposition TLE 5p 22.1% 73
COCI '15 Contest 2 #1 Marko COCI 5 47.4% 362
COCI '15 Contest 3 #2 Esej COCI 5 12.3% 38
COCI '15 Contest 3 #1 Pot COCI 5 68.0% 207
ICPC NAQ 2016 K - Robotopia ICPC 5 18.4% 24
TLE '16 Contest 2 P2 - Packing Microwaves TLE 5p 16.9% 104
COCI '06 Contest 1 #2 Herman COCI 5 42.1% 654
TLE '16 Contest 3 P2 - In Remembrance TLE 5p 13.1% 67
COCI '06 Contest 1 #3 Okviri COCI 5 41.6% 333
COCI '06 Contest 3 #1 Patuljci COCI 5 60.0% 590
Hungry Uncategorized 5p 43.7% 111
COCI '06 Contest 3 #2 N-puzzle COCI 5 45.7% 407
ICPC NAQ 2015 F - Quick Brown Fox ICPC 5 41.6% 137
GFSSOC '17 J3 - AIF Essay GFSSOC 5 25.4% 74
COCI '06 Contest 4 #3 Prsteni COCI 5 58.0% 224
COCI '06 Contest 5 #2 Natrij COCI 5 35.2% 253
TLE '16 Contest 4 P1 - Stack of Presents TLE 5p 32.4% 399
HCI '16 - Cheese Uncategorized 5p 38.7% 22
HCI '16 - Ulam Spiral Uncategorized 5p 17.0% 34
HCI '16 - Unexpected Factorial Uncategorized 5p 28.8% 85
HCI '16 - Lamppost Uncategorized 5p 29.0% 106
MNYC '17: 2048 Seasonal 5 29.3% 81
MNYC '17: ASCII Art II Seasonal 5 42.3% 61
DMOPC '16 Contest 4 P1 - Fast Exponents DMOPC 5p 26.5% 556
COCI '06 Contest 6 #1 Prase COCI 5p 58.6% 327
COCI '06 Contest 6 #2 Magija COCI 5p 58.5% 135
Facebook Hacker Cup '17 Qualifying Round P1 - Progress Pie FHC 5p 34.6% 20
Facebook Hacker Cup '17 Qualifying Round P2 - Lazy Loading FHC 5p 41.5% 38
RGPC '17 P1 - Circle Clicking! Uncategorized 5 15.2% 141
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC TLE 5p 37.3% 467
TLE '16 Contest 6 (Mock CCC) J3 - Two Kangaroos TLE 5p 14.2% 42
COCI '06 Contest 6 #3 Maraton COCI 5 27.9% 222
CCC '04 S1 - Fix CCC 5 32.6% 1197
Troubling Times Uncategorized 5p 33.0% 538
TLE '16 Contest 7 P1 - Math Helper TLE 5p 17.0% 38
DMPG '17 S1 - Molly and Difference DMOPC 5p 32.6% 320
CCC '17 S2 - High Tide, Low Tide CCC 5 27.9% 2835
CCC '17 J4 - Favourite Times CCC 5p 23.4% 1565
COCI '07 Contest 1 #1 Cetvrta COCI 5 56.4% 410
COCI '07 Contest 1 #2 PEG COCI 5 47.8% 159
String Finding Uncategorized 5 15.6% 418
ECOO '17 R1 P1 - Munch 'n' Brunch ECOO 5p 18.1% 836
ECOO '17 R1 P2 - Chocolate Chewsday ECOO 5p 11.0% 81
CCCHK '08 J3 - Phone book CCC 5p 34.6% 622
CCCHK '08 J4 - Tic-tac-toe CCC 5p 10.5% 101
ECOO '17 R2 P1 - Wizard's Windows ECOO 5p 53.4% 66
COCI '07 Contest 3 #3 Tajna COCI 5 52.3% 191
COCI '07 Contest 4 #1 Vauvau COCI 5 58.3% 331