pattern4.c

/*
Enter the no of lines: 5
    *
   * *
  * * *
 * * * *
* * * * *
*/

#include <stdio.h>

void main()
{
	int i, j, n;

	printf("Enter the no of lines: ");
	scanf("%d", &n);
	for (i = 1; i <= n; i++)
	{
		for (j = 1; j <= n - i; j++)
			printf(" ");
		for (j = 1; j <= i; j++)
			printf("* ");
		printf("\n");
	}
}