C++ Program .Write a program to print following pattern. * ** ***

Write a program to print following pattern. 

*

**

***

#include<stdio.h>                            
#include<conio.h>                        
void main()
{
int i,j;
clrscr();
for(i=1;i<=3;i++)
{
for(j=1;j<=i;j++)
  {
  printf("*");
  }
  printf("\n");
  }
getch();
}