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第三周项目二:三角形类2

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*copyright (c) 2014, 烟台大学计算机学院. *All rights reserved. *文件名称:test.cpp *作者:陆云杰 *完成日期:2015年3月19日 *版本号:v1.0 * * *问题描述:三角形类2 *程序输入: 三角形的三边长 *程序输出: 略 */ #includeiostream#includeCmath#inc



*copyright (c) 2014, 烟台大学计算机学院.  
  
*All rights reserved.  
  
*文件名称:test.cpp   

*作者:陆云杰  
  
*完成日期:2015年3月19日   
  
*版本号:v1.0  
 
*   
  
*  
  
*问题描述:三角形类2
  
*程序输入: 三角形的三边长

*程序输出: 略
  
*/     

#include<iostream>
#include<cmath>
#include<iomanip>
using namespace std;
class Triangle
{
public:
	void setA(double x)
	{
	    a=x;
	}
	void setB(double y)
	{
	    b=y;
	}
	void setC(double z)
	{
	    c=z;
	}
	bool isTriangle()
	{
	    if(a+b>c&&a+c>b&&b+c>a)
            return(1);
            else return (0);
	}
double getA()
	{
	    return a;
	}
double getB()
	{
	    return b;
	}
double getC()
	{
	    return c;
	}
	double perimeter(void)
	{
	     return a+b+c;
	}
	double area(void)
	{
	double p=(a+b+c)/2;
    cout>x>>y>>z;
    tri1.setA(x);
    tri1.setB(y);
    tri1.setC(z);	//为三边置初值
    if(tri1.isTriangle())
    {
        cout<br>
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</iomanip></cmath></iostream>
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