최소정수의합/김태훈zyint

~cpp 
#include <stdio.h>

int main()
{

	int sum=0, n=0;

	while(1)
	{
		n++;
		sum += n;

		if(sum >= 3000) break;
	}

	printf("n = %d, sum = %d\n",n,sum);
	return 0;
}