sl401.cpp

Visual C++ 的学习资料一

// sl401.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "iostream.h"

int main()
{
	int a[6],i,sum=0;
	double avg;
	//从键盘为数组元素赋值
	for(i=0;i<6;i++)
	{
		cout<<"a["<<i<<"]=";
		cin >>a[i];
	}
	//显示数组
	for(i=0;i<6;i++)
	{
		cout<<a[i]<<"\t";
		if(i%3==2)
		{
			cout<<"\n";
		}
	}
	cout<<"\n";
	//反向输出数组
	for(i=5;i>=0;i--)
	{
		cout<<a[i]<<"\t";
		if(i%3==0)
		{
			cout<<"\n";
		}
	}
	cout<<"\n";
	//求数组元素的和
	for(i=0;i<6;i++)
	{
		sum += a[i];	
	}
	cout<<sum<<"\n";
	//输出数组元素平均值
	avg = sum / 6.0;
	cout<<avg<<"\n";
}