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......
    int count = 0;
    while(num > 0){
        num = num / 10;
        count++;
    }
    if(count == 0){
        System.out.print(num);
    }else{
        System.out.print(count);
    }
}

}