C++-字符串-输入一个1到7的整数数字，表示星期一到星期日，屏幕输出相应的英文...
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Background
Description
输入一个1到7的整数数字，表示星期一到星期日，屏幕输出相应的英文“Mon., Tue., Wed., Thur., Fri., Sat., Sun.”
注意对“输入一个1到7的整数数字”进行判断，若有异常则报错“error”
Format
Input
Output
Samples
1
Mon.
3
Wed.
8
error!
Limitation
1s, 1024KiB for each test case.
