题解 | #计算整数位数#

import java.util.Scanner;
//这道题就没啥难度了吧...试一下富文本编辑器哈哈哈哈哈哈
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.print(num);
        }
        else{
            int pnum = 0;
            while(num > 0){
                num /= 10;
                pnum ++;
            }
            System.out.print(pnum);
        }

    }
}