#1661. C++-内置函数-iscsymf()测试是否字母或下划线

C++-内置函数-iscsymf()测试是否字母或下划线

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Background

Description

C++-内置函数-iscsymf()测试是否字母或下划线

Format

Input

Output

Samples



Limitation

1s, 1024KiB for each test case.