Can I Square?

1915C800· newbie1s256 MB⌨ stdin/stdout

Sample 1of 1

Input

5
1
9
2
14 2
7
1 2 3 4 5 6 7
6
1 3 5 7 9 11
4
2 2 2 2

Output

YES
YES
NO
YES
NO

1915C.cpp

loading editor…

Ln 11·137 BGNU C++20 (64)