Question

How to replace all ‘0’ int a number with specific digit in C#

Answer 1

using System;

class Program
{
    static int convert_0_To_n__(int number, int d) {   
        if (number == 0)  
            return 0;  

        int digit = number % 10;  
        if (digit == 0)  
            digit = d;  

        return convert_0_To_n__(number / 10, d) * 10 + digit;  
    }  
    static int convert_0_To_n(int number, int d) {  
        if (number == 0)  
            return d;  
        else
            return convert_0_To_n__(number, d);  
    }  
    static void Main()
    {
        int number = 1080030; 

        Console.Write(convert_0_To_n(number, 7));
    }
}



/*
run:

1787737

*/

 

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