大家看到这个贴当我没说 ，char能存的范围是-128~127，溢出了。。。
by liaopifan @ 2016-05-29 17:55:18
```cpp
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
char a;
cin >> a;
int b;
a = a + 25;
cout << "ascii is " << (int)(char)(a-25);
getchar(); getchar();
return 0;
}
```
by BDF1 @ 2016-05-29 20:55:10
楼上正解，兹瓷资瓷
by 已注销%Jm9VScx @ 2018-09-20 20:47:19