18.cpp

经典C语言程序设计100例1-10 如【程序1】 题目：有1、2、3、4个数字

/*---------------------------------------例题18-------------------------------------------------------------------*/

#include <iostream>

using namespace std;

int main()
{
	int a, num, sum = 0;
	int record;
	cout<<"please input a:"<<endl;
	cin>>a;
	cout<<"please input number:"<<endl;
	cin>>num;
	record = a;

	while(num != 0)
	{
		sum += a;
		a = a * 10 + record;
		num --;
	}
	cout<<"Ok,a + aa + …  =  "<<sum<<endl;

	return 0;
}