Problems
Queue
Competitions
Ranking
Articles
Fund
Blog
Signup
Signin
favorite
We need a little bit of your help to keep things running, click on this banner to learn more
Problems
083
Statement
Solutions
Statistics
Discussion
083
083
Time limit
1
second
Memory limit
64
MiB
Input example #1
content_copy
7 4 4 7
Output example #1
content_copy
22
Square
084
