Swap numbers which are multiples of 10 with the next number

Question:

Swap two numbers in a given array in such a way that the elements which are multiples of 10 are swapped with the next number.

Input:

    6
    91 54 50 22 30 59

Output:

     91  54  22  50  59  30

Explanation:

    Swap 50 and 22

    91  54  22  50  30  59

    Swap 30 and 59

    91  54  22  50  30  59

Code:

#include<stdio.h>
int printer(int arr[],int n)
{
 int i;
 for(i=0;i<n;i++)
 {
  printf("%d  ",arr[i]);
 }
 printf("\n");
}
int func(int arr[],int n)
{
 int i,temp;
 for(i=0;i<n-1;i++)
 {
  if(arr[i]%10 == 0)
  {
   temp=arr[i];
   arr[i]=arr[i+1];
   arr[i+1]=temp;
   i++;
   /*
   Without i++
   91  54  50  22  30  59
   91  54  22  30  59  50

   With i++
   91  54  50  22  30  59
   91  54  22  50  59  30
   */
  }
 }
}
int main()
{
 int n;
 scanf("%d",&n);
 int i;
 int a[n];
 for(i=0;i<n;i++)
 {
  scanf("%d",&a[i]);
 }
 printer(a,n);
 func(a,n);
 printer(a,n);
}

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