Lunch Rush
276A900· newbie2s256 MB⌨ stdin/stdout
Examples
Sample 1of 3
Input
2 53 34 5
Output
4
Sample 2of 3
Input
4 65 83 62 32 2
Output
3
Sample 3of 3
Input
1 51 7
Output
-1
58%
276A.cpp
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Ln 11·137 BGNU C++20 (64)
2 53 34 5
4
4 65 83 62 32 2
3
1 51 7
-1