习题 1.10 循环 50到100的和

#include<iostream>
using namespace std;
int main()
{
	//calculate the sum of 50 to 100
	int result = 0;
	for(int i=50;i<=100;i++)
		result += i;
	cout<<"result="<<result<<" "<<"using for loop"<<endl;
	//3825

	result = 0;
	int i = 50;
	while(i<=100)
	{
		result += i;
		i++;
	}

	cout<<"result="<<result<<" "<<"uring while loop"<<endl;
	return 0;
}