cf/mirror

Move and Turn

CF
1459B1300· pupil2s512 MB⌨ stdin/stdout
#dp#math

Examples

Sample 1of 3
Input
1
Output
4
Sample 2of 3
Input
2
Output
4
Sample 3of 3
Input
3
Output
12
1459B.cpp
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Ln 11·137 BGNU C++20 (64)