Question

Write a program to accept a number and display the new number after removing all the zeros
sample input : 5400207
Sample output : 5427

Answer 1

#include <stdio.h>
#include <string.h>
main()
{
   int i, j;  char num1[50], num2[50] = "";
      printf("input number: ");
      scanf("%s", num1);
      for (i=0, j=0; num1[i] != '\0' ; i++)
           if (num1[i] != '0')  num2[j++] = num1[i];
      num2[j] = '\0';
      printf("new number: %s\n", num2);
}

Answer 2

#include <stdio.h>

#include <string.h>

main()

{

   int i, j;  char num1[50], num2[50] = "";

      printf("input number: ");

      scanf("%s", num1);

      for (i=0, j=0; num1[i] != '\0' ; i++)

           if (num1[i] != '0')  num2[j++] = num1[i];

      num2[j] = '\0';

      printf("new number: %s\n", num2);

}