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();

        //write code here......
        if (num > 0){
            String num1 = num +"";
            System.out.print(num1.length());
        }else{
            System.out.print(num);
        }

    }
}