虽然但是,
```cpp
return (str[0] == 'R' && str[1] > '0' && str[1] < '10');
```
‘10’真的算一个字符吗
by BIOS @ 2023-12-26 13:34:04
@[BIOS](/user/833124) 哈哈昨天晚上写这题的时候注意到10不是了,然后忘了check()里面还有了,
```
check(string str)
{
int len = str.size();
int pos;
for (int i = 0; i < len; i ++)
{
if(str[i] == 'C')
{
pos = i;
break;
}
}
if(str[pos - 1] > '0' && str[pos - 1] <= '9' && str[pos + 1] > '0' && str[pos + 1] <= '9' && pos != 0)
return true;
return false;
}
```
这么改还是不对
by Bad_guy @ 2023-12-26 14:05:54
@[Bad_guy](/user/792020) 过了,pos应该初始化为0
by Bad_guy @ 2023-12-26 14:34:14