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C Program to draw Interesting Pattern I

 Sample Input 1 :

5

 Sample Output 1 :

*
**
***
****
*****
****
***
**
*

Program or Solution

					    
							
#include<stdio.h>
#include<math.h> 
int main()
{
	int i,j,k,n,step=1;
	printf("enter row size:");
	scanf("%d",&n);
	for(i=1;i<=2*n-1;i++)
	{
		for(j=1;j<=step;j++)
		{
			printf("*");
		}
		
		if(i<n)
		{
			step+=1;
		}
		else
		{	
			step-=1;
		}
		printf("\n");
	}
	return 0;
}
					    
					

Program Explanation

Refer Video Tutorial