Program To Display Pyramid of Numbers

#include<stdio.h>
#include<conio.h>
#include<windows.h>
int main()
{
int i,j,n=5;
system("cls");
for(i=1;i<=n;i++)
{
for(j=1;j<=n-i;j++)
printf("\t");
for(j=i;j<=2*i-1;j++)
printf("\t%d",j);
for(j=2*i-2;j>=i;j--)
printf("\t%d",j);
printf("\n");}
getch();
}