#1716. C++-判断-输入一个正整数，判断其是否为两位数，如果是则输出yes，否则输出no
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ID: 1716
Type: Default
1000ms
256MiB
Tried: 57
Accepted: 26
Difficulty: 4
Uploaded By:
wuzehong
C++-判断-输入一个正整数，判断其是否为两位数，如果是则输出yes，否则输出no
Background
Description
输入一个正整数，判断其是否为两位数，如果是则输出yes，否则输出no
Format
Input
Output
Samples
89
yes
123
no
Limitation
1s, 1024KiB for each test case.