#include<stdio.h>
#include<string.h>
int main() {
	char a[100];
	char* aa = a;
	int n;
	scanf("%d", &n);
	scanf("%s", a);
	char in[3]="KK", in2[3]="VV";
	char* p, * q;
	int num= 0;
	if (strstr(a, in2) != NULL){
	    p=strstr(a,in2);
	if(p=&a[n-2]||*(p+2)!='k'){
	    num = 1;
	}
	}
	   
	
	if (strstr(a, in) != NULL) {
		q = strstr(a, in);
		if (q=a||*(q - 1) != 'V') {
			num = 1;
		}
	}
	int cnt = 0;
	for (;strstr(aa, "VK")!=NULL;) {
			cnt++;
			aa = strstr(aa, "VK") + 2;
	}
	int numm = num + cnt;
	printf("%d", numm);
	return 0;
}

88分的代码，求助大佬这个有什么问题，看不出来