#include <iostream>
using namespace std;
int fch(char *p)
{
int n = 0;
for (int i = 0; p[i]; i++)
if (p[i] >= 'A' && p[i] <= 'Z') n++;
return n;
}
int main()
{
char s[100];
cin >> s;
cout << fch(s);
}

问题解决的话，请点下采纳