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

}