summ.cpp

包含C++中map

#include<iostream>

using namespace std;

int main()
{
	const int array_size=12;
	int ia[array_size];
	int ival,icnt=0;
	int sum=0;

	while(cin >> ival && icnt < array_size)
	{
		ia[icnt++]=ival;
	}

	for(int ix=0;ix<array_size;++ix)
	{
		sum+=ia[ix];
	}

    float average=(float)sum/icnt;

	cout << "Sum of " << icnt << "  elements is:" << sum << endl;
	cout << "And the average is :" << average;
	cout << endl;

	return 0;
}