P3741 honoka的键盘

#include<cstdio> 
#include<cstring> 
#include<algorithm>
#include<iostream>
using namespace std;
int main(){
    string s;
    int c;
    cin>>c;
    int count=0;
    cin>>s;
    for(int i=0;i<s.size();i++)
    {
        if(s[i]==‘V‘&&s[i+1]==‘K‘)
        {
        s[i]=‘X‘,s[i+1]=‘X‘;
        count++;    
        }
    }
    if(s.size()<=1){
    cout<<"0"<<endl;
    return 0;    
    }
    if(s.size())
    
    for(int i=0;i<s.size();i++)
    if(s[i]==‘V‘&&s[i+1]==‘V‘||s[i]==‘K‘&&s[i+1]==‘K‘)
    {
        cout<<count+1<<endl;
        return 0;
    }
    cout<<count<<endl;
    return 0;    
}