第十四届蓝桥杯三月真题刷题训练——第 12 天

[ThoU4]

0的个数

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        //在此输入您的代码...
        int num = scan.nextInt();
        String s = num + "";
        int point = s.length() - 1;
        while(s.charAt(point) == '0'){
          point--;
        }
        System.out.println(s.length() - point - 1);
        scan.close();
    }
}