main.cpp

来自「基于c++的数据结构源代码。是学习数据结构的很好的demo」· C++ 代码 · 共 44 行

#include"polynomial.h"
#include<iostream>

void AddPolyn(){
	Polynomial pa,pb,pc;
	pa.Create();pa.Print();
	pb.Create();pb.Print();
	cout<<"\n两个多项式的和是:";
	pc.sum(pa,pb);pc.Print();
	cout<<endl;
}

void SubtractPolyn(){
	Polynomial pa,pb,pc;
	pa.Create();pa.Print();
	pb.Create();pb.Print();
	for(int j=1;j<=pb.GetExpn(0);j++) pb.SetCoef(-1*pb.GetCoef(j),j);//符号相反之后求和
	cout<<"\n两个多项式的差是:";
	pc.sum(pa,pb);pc.Print();
	cout<<endl;	
}

void qiudao(){
	Polynomial pa;
	pa.Create();pa.Print();
	pa.differential();
	cout<<"\n求导后的";
	pa.Print();
}

void main(){
	char y;	
	cout<<"请输入你需要的功能："<<endl;
	do{
		cout<<"\n1.多项式求和 2.多项式相减 3.多项式求导 4.结束程序:";
		cin>>y;
		switch(y){
		case '1':AddPolyn();break;
		case '2':SubtractPolyn();break;
		case '3':qiudao();break;
		}
	}while(y!='4');
}