cf/mirror

Mister B and Flight to the Moon

CF
819E2800· international gm2s256 MB⌨ stdin/stdout
#constructive algorithms#graphs

Examples

Sample 1of 2
Input
3
Output
2
3 1 2 3
3 1 2 3
Sample 2of 2
Input
5
Output
6
3 5 4 2
3 3 1 5
4 4 5 2 3
4 4 3 2 1
3 4 2 1
3 3 1 5
819E.cpp
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Ln 11·137 BGNU C++20 (64)
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