Insertion sort of strings in C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

void insert(char a[][25],int n)
{
 int i,j,k;
 char key[25];
 for(i=1;i<n;i++)
 {
  strcpy(key,a[i]);
  for(j=i-1;j>=0;j--)
  {
    if(strcmp(key,a[j])>=0)break;
     strcpy(a[j+1],a[j]);
  }
  strcpy(a[j+1],key);
  printf("After pass %d:\n",i);
  for(k=0;k<n;k++)
   printf("%s\n",a[k]);
 }
}

int main()
{
  int n,i;
  char a[25][25];
  printf("Enter the  number of elements to sort\n");
  scanf("%d",&n);
  printf("Enter the strings to be sorted\n");
  for(i=0;i<n;i++)
   scanf("%s",a[i]);
  insert(a,n);
  printf("After sorting\n");
  for(i=0;i<n;i++)
   printf("%s\n",a[i]);
}


Thanks to the senior who gave us the permission to copy their code :P