코 드 ¶
~cpp 
#include <iostream.h>
void main()
{
	int n=1; 
	int sum=0;
	while (sum<=3000){
		sum+=n;
		n++;
	}
	
	cout<<"n="<<n<<"sum="<<sum<<endl;
	
}
~cpp 
#include <iostream.h>
void main()
{
	int n=1; 
	int sum=0;
	while (sum<=3000){
		sum+=n;
		n++;
	}
	
	cout<<"n="<<n<<"sum="<<sum<<endl;
	
}