题解 | #统计大写字母个数#

#include <iostream>
#include <string>

using namespace std;

int main()
{
    //input
    string str;
    //result
    int result = 0;
    while(getline(cin, str))
    {
        int length = str.length();
        for(int i=0; i<length; i++)
        {
            if(str[i] - 'A' >= 0 && 'Z'-str[i] >= 0)
            {
                result ++;
            }
        }
        cout<<result<<endl;
        result = 0;
    }

    //return
    return 0;
}