Problems

Problem search

Point range
Go Random

Hot problems

Problem Category ▴ Points AC % Users
TSOC '16 Contest 1 #2 - Johnny and Garden TSOC 5p 37.0% 153
TSOC '16 Contest 1 #3 - You and Crossroads TSOC 5p 44.1% 106
TSOC '16 Contest 1 #1 - Vasile and Haircuts TSOC 3 45.4% 433
TSOC '16 Contest 1 #5 - Max and Cards TSOC 7p 29.3% 91
TSOC '16 Contest 2 #3 - Lu Han and Birthday TSOC 10p 14.9% 50
TSOC '16 Contest 2 #5 - Last Trip to Surface TSOC 20 15.7% 17
TSOC '16 Contest 2 #6 - Hinata and Volleyball Graph TSOC 7p 15.9% 12
TSOC '16 Contest 2 #4 - Bob's Primes TSOC 7 19.1% 85
TSOC '16 Contest 2 #1 - Mary, Jane and Invitations TSOC 3 23.2% 68
TSOC '16 Contest 2 #2 - Oh My! TSOC 10 15.3% 18
A Plus B Uncategorized 3p 48.7% 8020
MMCC '14 P2 - Kirito Uncategorized 20p 25.9% 152
MMCC '14 P1 - Tenri Uncategorized 17p 23.1% 70
MMCC '14 P3 - Esdeath Uncategorized 15p 14.9% 204
Fibonacci Sequence Uncategorized 15p 13.1% 781
A Plus B (Hard) Uncategorized 12 11.0% 318
Imperative French Uncategorized 15 5.5% 17
Troubling Triangles Uncategorized 7 28.3% 431
Hello, World! Uncategorized 3 56.1% 12193
List Minimum Uncategorized 3 49.8% 3279
Postfix Notation Uncategorized 7 19.0% 682
Lexicographically Least Substring Uncategorized 5 46.0% 616
List Minimum (Hard) Uncategorized 5 35.9% 1661
Lexicographically Least Substring (Hard) Uncategorized 15 11.3% 183
Boolean Uncategorized 3 50.4% 2348
Infinity Uncategorized 3 35.5% 545
The Mirror Uncategorized 5 33.3% 676
The Third Cellar Uncategorized 10 27.1% 323
German Nouns Uncategorized 5 56.6% 432
Find Dates Uncategorized 7 8.5% 57
Better Censor Uncategorized 7 22.4% 114
Bubble Sort Uncategorized 7 33.9% 788
Pulse Uncategorized 3 38.2% 376
Encode Uncategorized 5 28.5% 246
Sandwich Uncategorized 5 33.7% 202
Guess the Sequence Uncategorized 3p 5.9% 185
Breaking the Friend Chain Uncategorized 7 28.9% 184
The Game of Nim Uncategorized 12p 29.5% 29
A Times B Uncategorized 20p 15.8% 122
XOR Uncategorized 7 41.6% 347
Pick It Uncategorized 15 49.2% 359
Python Infinite Loop Uncategorized 7p 17.3% 1873
Binary Uncategorized 5 24.1% 886
The Torture Chamber Uncategorized 15 17.0% 239
Phantom's Python Challenge Uncategorized 40p 0.8% 10
The Cosmic Era P4 - Freedom Appears! Uncategorized 7 18.2% 143
The Cosmic Era P3 - Battle Positions Uncategorized 7 30.4% 983
More German Nouns Uncategorized 7 9.2% 54
The Cosmic Era P1 - Ship Uncategorized 3 29.1% 1109
The Cosmic Era P2 - Uneven Sand Uncategorized 5 24.4% 897