Problems
Queue
Competitions
Ranking
Articles
Fund
Signup
Signin
favorite
We need a little bit of your help to keep things running, click on this banner to learn more
Problems
123
Statement
Solutions
Statistics
Discussion
123
123
Time limit
1
second
Memory limit
64
MiB
Input example #1
content_copy
27
Output example #1
content_copy
72
122
124
