@[Jerry555](/user/1041666)
```cpp
#include <iostream>
#include <string>
using namespace std;
int main(){
int l;
cin >> l;
char str[l];
cin >> str;
int m=-1;
for(int i=0;i<=l-1;i++){
char temp=str[i];
str[i]='V';
int sum=0;
for(int i=0;i<=l-2;i++)
if(str[i]=='V' && str[i+1]=='K')sum++;
m=max(m,sum);
str[i]=temp;
}
for(int i=0;i<=l-1;i++){
char temp=str[i];
str[i]='K';
int sum=0;
for(int i=0;i<=l-2;i++)
if(str[i]=='V' && str[i+1]=='K')sum++;
m=max(m,sum);//加上这行
str[i]=temp;
}
cout << m;
}
```
by 失去梦想233 @ 2023-11-23 14:05:35
@[失去梦想233](/user/389888) 多谢多谢
by Jerry555 @ 2023-11-23 18:06:36