View Code of Problem 73

#include<stdio.h>
int main()
{
	int i,n,sum=1;
	scanf("%d",&n);
	
	for(i=1;i<n;i++){
		sum=2*(sum+1);
	}
		
	printf("%d",sum);
	return 0;
}

Double click to view unformatted code.


Back to problem 73