题解 | #计算整数位数#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int num = scan.nextInt();
        scan.close();
        if(num<=0)
        {
            System.out.println(num);
        }
        else
        {
            String s = ""+num;
            System.out.println(s.length());
        }
    }
}