你的a/=10在循环外面啦
by Enderturtle @ 2019-01-31 22:11:55
```cpp
while(a>0)
{
b=a%10;
if(b==x) sum++;
}
a/=10;
```
你认为这个循环会停下来吗？？？
by YZhe @ 2019-01-31 22:34:41
哦！！多谢巨佬orz
# QAQ
这么低级的错误啊啊啊啊（逃
by Achiles @ 2019-01-31 22:42:03
终于AC
by Achiles @ 2019-01-31 22:43:11
呵呵
by 47777_ @ 2019-04-21 11:48:54