题解 | #统计大写字母个数#

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        char[] chrs = scan.nextLine().toCharArray();
        int ans = 0;
        for (char chr : chrs) {
            if (chr >= 'A' && chr <= 'Z') {
                ans++;
            }
        }
        System.out.println(ans);
    }
}