#include <iostream

#include <string

using namespace std;

main() {

int n,a[105],ans;

char s;

cin>>n;

for(int i=0; i<n; i++) {

cin>>s;

a[i]=s;

if(a[i-1]'V'&&a[i]'K')ans++;

}

cout<<ans;

return 0;

}

楼下的步骤有点麻烦，我也发一个🎉️