View Code of Problem 30

#include<stdio.h>

void main()
{

	int n,sum=0;
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
	{
		sum+=i;
	}
	printf("%d",sum);
}
/*
Main.cc:3:11: error: '::main' must return 'int'
 void main()
           ^
*/