Question

How to reverse an integer number in C#

Answer 1

using System;

class Program
{
    static void Main() {
        int num = 893651;   
        int is_positive = 1;
              
        if (num < 0) {
            is_positive = -1;
            num = num * -1;
        }
              
        int reverse = 0;
        while (num > 0) {
            int remainder = num % 10;
            reverse = reverse * 10 + remainder;
            num /= 10;
        }
              
        if (is_positive == -1)
            reverse = reverse * -1;
              
        Console.Write(reverse);
    }
}


 
 
/*
run:
 
156398
 
*/

 

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