Right Triangle within Pattern

#include<stdio.h>/*calling the header files*/
int main()
{
    int i,j,k,n;  /*intializing the variables which are needed*/
    printf("Please enter the rows for the right andled triangle \n");
    scanf("%d",&n);
    /*Loop for the uppart part of the pattern*/
    for(i=n;i>=1;i--)
    {
        for(j=1;j<=i;j++)
        {
            printf("*");
            }
        for(k=n;k>i;k--)
        {
            printf("  ");
            }
        for(j=1;j<=i;j++)
        {
            printf("*");
            }
        printf("\n");
        }
    /*loop for lower part */
    for(i=2;i<=n;i++)
    {
        for(j=1;j<=i;j++)
        {
            printf("*");
            }
      for(k=i;k<n;k++)
        {
            printf("  ");
            }
        for(j=1;j<=i;j++)
        {
            printf("*");
            }
        printf("\n");
     }
     return 0;
}