东南08级试卷电类下机试试卷

08C++（下）上机试卷学 机位号说明：首先在Z自己的学号命名的文件夹，用于存放上交的*.CPP交时只保留文件夹中的CPP文件。【注意】源程序以“学号f1.cpp”命名，存入自己 夹 构造函数和赋值操作操作符实现深。#include<iostream>#include<cstring>usingnamespacestd;classstudent{student(studentchar*pnameintlen1student(student&s);student&operator=(student&s {cout>>"Constructor"; pName=NULL;cout默认}student::student(char*pname{cout<<pName=newif(pName)strcpy(pName,pname);cout<<pName<<endl;}student::studentstudents {if(s.pName) intlen=pName=newchar(len+1); if(pName)strcpy(pName,s.pName);cout<<pName<<}elsepName=}{cout<<ifpNamecoutpNameendl;deletePName; //6}student&Student::operatorstudent&s {cout<<"CopyAssignoperator";delete[]pName;{len=strlen(s.pName); //8pNamenewchar[len];//9ifpNamestrcpypNames.pNamecout<<pName<<endl;}elsepNa return*this;}int{students1("范英明"),s2("");students3(s1);student*s4newstudent(s2);deletes3; //错误10return0;}二、编程题（50分【注意】源程序以“学号f2.cpp”命名，存入自己学夹产品销售价=原材料价格*1.5+加工费*2.0【注意】将源程序以文件名“学号f2.cpp”存入Zusingnamespacestd;classProduct{材材void{} }void{}int{Productpro;return0;}【提醒】上传的学夹中只需包含f1.cpp、f2.cpp及Output.txt三个文件即08C++（下）上机试卷D#include<iostream>#include<cstring>usingnamespacestd;classstudent student(student(char*pname*intlen*/);//(1)掉intlen,student(char*pname);student(student&s);~student(student&operator=(student&s cout<<"Constructor"; pName=NULL;cout默认}student::student(char*pname cout<<pName=newchar[strlen(pname)+1];if(pName)strcpy(pName,pname);cout<<pName<<endl;}student::student(student&s 4)students改为student{cout<<"CopyConstructor";if(s.pName) intlen=pNamenew (5)括号改为方括if(pName)strcpy(pName,s.pName);cout<<pName<<endl;}elsepName=} cout<<if(pName)cout<<pName<<delete //(6)增加delete}student&student::operatorstudent&s 7Student改为{cout<<"CopyAssignoperator";delete[]pName; intlen=strlen(s.pName); //(8)len改为intlenpName=newchar[len+1]; //(9)len改为len+1if(pName)strcpy(pName,s.pName);cout<<pName<<}elsepNaLL;return*this;}int students1("范英明"),s2("");students3(s1);student*s4=newdeletes3; 10)deletes4return0;}usingnamespacestd;class{//原材料进void{ifstream //只} infile>>ProductName>>MatName>>MatPrice0>>ServicePrice;}}{ofstreamif(!outfile) }outfile产品名称ProductNameendl;outfile<<"原材料名称："<<MatName<<endl;outfile原材料价格MatPrice0endl;outfile<<"加