#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstdio>
#include <cstring>
#include <string>
using namespace std;
int main() {        
	string s;
	int n;
	cin >> n;
	cin >> s;
	int index;
	int sum = 0;
	while ((index = (int)s.find("VK")) !=-1) {
		s.erase(index, 2);
		sum += 1;
	}
	if ((int)s.find("KK")!=-1 || (int)s.find("VV")!=-1) {
		sum += 1;
	}
	cout << sum << endl;
	return 0;
}
```有没有大佬看看这是怎么回事？