Insertion Sort in C

Example 1: WAP to Input 5 numbers and sort them. 361

#include<stdio.h>
#include<conio.h>

void main()
{
  int a[5], i, j, n, s=0, k;
  printf("Enter 5 numbers:");
  for(i=0;i<=4;i++)
  {
    scanf("%d",&a[i]);
  }

  for(i=1;i<=4;i++)
  {
    n=a[i];
    for(j=i-1;j>=0;j--)
    {
      if(n<a[j])
      {
        s++;
      }
    }
    for(k=i;s>0; s--, k--)
    {
      a[k] = a[k-1];
    }
    a[k]=n;
  }

  printf("Sorted List is:\n");
  for(i=0;i<=4;i++)
  {
    printf("%d " ,a[i]);
  }

  getch();
}
Enter 5 numbers:
5
4
3
2
1
Sorted List is:
1
2
3
4
5