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)
        System.out.println(num);
    else System.out.println((num+"").length());

}

}