cf/mirror

Circle Perimeter

CF
1971F1600· expert1s256 MB⌨ stdin/stdout

Examples

Sample 1of 1multi-test • hover to link
Input
6
1
2
3
4
5
1984
Output
8
16
20
24
40
12504
1971F.cpp
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Ln 11·137 BGNU C++20 (64)
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