cf/mirror

Combinatorics Homework

CF
1574B1100· newbie2s256 MB⌨ stdin/stdout

Examples

Sample 1of 1
Input
3
2 2 1 0
1 1 1 1
1 2 3 2
Output
YES
NO
YES
1574B.cpp
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Ln 11·137 BGNU C++20 (64)