cf/mirror

Codeforces Checking

CF
1791A800· newbie1s256 MB⌨ stdin/stdout
#implementation#strings

Examples

Sample 1of 1
Input
10
a
b
c
d
e
f
g
h
i
j
Output
NO
NO
YES
YES
YES
YES
NO
NO
NO
NO
1791A.cpp
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Ln 11·137 BGNU C++20 (64)