上海大學(xué)C20052006冬

1、上海大學(xué) 2005-2006年冬季學(xué)期試卷成績課程名：面向?qū)ο蟪绦蛟O(shè)計C+ 學(xué)分： 5 學(xué)號： 姓名： 院系： 一 選擇1 C+語言編程的優(yōu)勢是A是一種面向?qū)ο蟮恼Z言，而生成的代碼運行時開銷小。B是一種面向過程的語言，用自頂向下設(shè)計方法進行設(shè)計。C易學(xué)，比用VB,Delphi,java語言編程容易。D最適合開發(fā)圖形化的Windows應(yīng)用程序。2 .NET框架類庫的名空間是System,使用它編程，要求聲明：Ausing namespace std;B#define namespace System;Cusing namespace System;Dusing System;3 寫一條語句，動態(tài)

2、分配100個char 空間的內(nèi)存,地址賦給ptr :A. char *ptr=new double*100;B. char *ptr=new char 100;C. char char =new char (100);D. char *ptr=malloc( sizeof(char)*100);4. （多選）下面說法或設(shè)計正確的有：A. 用class進行類的定義，類的成員在默認(rèn)情況下訪問權(quán)限是私有的。B. C+語言的變量聲明必須寫在函數(shù)代碼的開頭地方。C.一個抽象類，不能實例化。D. 類的構(gòu)造函數(shù)返回類型是voidE.類的成員變量含有是指針變量時，應(yīng)該考慮設(shè)計一個拷貝構(gòu)造函數(shù)。F. 類的靜態(tài)成

3、員函數(shù)不能訪問非靜態(tài)成員。G. 設(shè)計Automobile類，它含有Engine類型的成員變量。H. 設(shè)計Automobile類，它從Engine類派生。5. 設(shè)計從輸入流中讀數(shù)據(jù)到CMyObject類型的對象中,正確的函數(shù)原型是：A. istream read( istream in, CMyObject obj); B. void read>>( istream in, CMyObject& obj); Cistream & operator>>( istream& in, CMyObject obj); Distream & oper

4、ator>>( istream &in, CMyObject & obj); 6 （多選）對以下的函數(shù)聲明，合法的調(diào)用方式有。void getstr(string &buff, char term=n);Astring str; getstr(str);Bstring buff; getstr(&buff);Cstring str; getstr(str, t);Dchar *buff=”abc”; getstr(buff, t);7. （多選）閱讀本試題三.5題中的程序，對有標(biāo)注行的說明正確的是A(1)學(xué)生所有課程成績的關(guān)聯(lián)容器。(2)Set課程和

5、成績。(7)讀數(shù)據(jù)文件B（3）第一個元素和第二個元素輸出。（4）學(xué)生所有課程成績的關(guān)聯(lián)容器。C（5）參數(shù)n表示元素個數(shù)。（6）返回第index下標(biāo)的元素。二 填空1-2面向?qū)ο蟪绦蛟O(shè)計語言的主要特征是_其基本模塊是_3對商場中的商品,冰箱,汽車,家電,電視機,交通工具,自行車,電動車設(shè)計類層次結(jié)構(gòu)圖(畫出結(jié)構(gòu)圖)_4-5. 代碼填空int divide( int a,int b)if(b =0 )_return a/b;int main( )_int x,y; cin>>x>>y;cout<<"x/y="<<divide(x,

6、y);catch(char *e)cout<<e<<endl;return 0;6-10. 復(fù)數(shù)類代碼填空class Complexdouble real;double image;public:Complex()Complex(double r) _ Complex(double r,double i) _operator - (Complex t, Complex u );_ operator - (Complex t, Complex u ) /復(fù)數(shù)減實現(xiàn)return _11-22.影片跟蹤管理程序填空#include<iostream>#includ

7、e< _ >using namespace std;class Filmpublic:Film(string t,string d) title=t; director=d;string title;string director;_ ;/聲明數(shù)據(jù)打印函數(shù)output;void Film:output() /實現(xiàn)數(shù)據(jù)打印函數(shù)outputcout<<” title:”<< title<<” director:”<< director<<endl;class _ /聲明導(dǎo)演剪輯片類DirectorCutpublic:Direc

8、torCut(string t,string d, string c):_ changes=c;string changes;virtual void output( )_cout<<” changes:”<< changes<<endl;class _ /聲明外國影片類ForeignFilmpublic:ForeignFilm(string t,string d, string l): Film(t,d)_ string language;_ /聲明數(shù)據(jù)打印函數(shù)outputFilm:output();cout<<” language:”<

9、< _<<endl;void main( )int select;cin>> select;Film *pFilm;if(select=0)pFilm =new Film(“紅高粱”,”張藝謀”); /實例化Filmelse if(select=1) /創(chuàng)建DirectorCut對象_ DirectorCut(“xxx”,”xxxx”,”xxxxxx”);/實例化DirectorCut else /創(chuàng)建ForeignFilm對象_(“HarryPotter”,”xxxx”,” English”); pFilm->output();_ pFilm; /銷毀對象

10、23-27查找數(shù)組list中數(shù)據(jù)key，設(shè)計其摸板函數(shù)。成功返回其下標(biāo)，否則返回-1。template<_>_ find( _ ) / 查找key for( _ ) if( listi = = key )return i;_;三 閱讀程序1寫出輸出結(jié)果： _string s = "Object-Oriented Programming in "s += "C+"cout<<s<<"n"2寫出輸出結(jié)果： _int *p1=new int;int *p2=new int;if(p1=p2)cout<

11、;<” p1與p2相等”<<end;else cout<<” p1與p2不相等”<<end;3寫出輸出結(jié)果： _class B protected: virtual void f( ) cout<<”B”<<endl; public:void g( ) f( ); ;class D : public Bprotected: virtual void f( ) cout<<”D”<<endl;void main( ) D d;d.g( ); 4寫出輸出結(jié)果： _#include "stdafx.h

12、" #include <sstream> #include <iostream>using namespace std;int main()string val="10 1000.0 2000.0"int age=40; char* name="王偉"istringstream sin(val);double r,salary1,salary2;sin>>r>>salary1>>salary2;double salary=age*r+salary1+salary2; ostringst

13、ream sout;sout<<"姓名 "<<name<<" 工齡 "<<age<<" 工資 "<<salary;string str=sout.str();cout<<str<<endl;return 0;5學(xué)生數(shù)據(jù)庫查詢打印程序,寫出輸出結(jié)果:_#include "stdafx.h" #include <iostream>#include <fstream> #include <stri

14、ng>#include <map> #include <deque> #include<algorithm>using namespace std;class CStudentmap<string,int> courseScores; / (1)public:string m_name;string m_ID;CStudent() CStudent(string id,string name)m_ID=id; m_name=name;void setCourseScore(string courseName,int score)/（2）co

15、urseScorescourseName=score;void printScore() for(map<string,int>:iterator p=courseScores.begin();p!=courseScores.end(); p+)cout<<p->first<<"t"<<p->second<<endl; /（3）;class Crow /行int n;deque<string> cells; /（4）public:CRow(int n) : cells(n) / （5）thi

16、s->n=n;string& operator(int index) /（6）return cellsindex;void load(istream &in)for(int i=0;i<n;i+)in>>cellsi;class CDBManagedeque<CRow> m_stuTable;deque<CRow> m_scoreTable;deque<CStudent> stus;public:void ReadDatabase(const char* filename) /(7)ifstream ifile(fil

17、ename);while(ifile) string type;ifile>>type;if(type="Student")CRow row(2);row.load(ifile);m_stuTable.push_back(row);else if(type="Score")CRow row(3);row.load(ifile);m_scoreTable.push_back(row);elsebreak;resetStuData();void Report(string studentID) / (8)CStudent stu;if(true=

18、 findStu(studentID,stu)cout<<stu.m_name<<"成績"<<endl;stu.printScore();cout<<endl;void Report() /(9)cout<<"t成績表"<<endl;sort(stus.begin(),stus.end(),IdCompFunc);deque<CStudent>:iterator it;for( it=stus.begin();it!=stus.end();it+)CStudent&

19、; stu=*it;cout<<stu.m_name<<" "<<stu.m_ID<<endl;stu.printScore();private:void resetStuData()stus.clear();for( int i=0;i<m_stuTable.size();i+)CRow stuRow=m_stuTablei;string studentID=stuRow0;CStudent stu=CStudent(studentID,stuRow1);for( int j=0;j<m_scoreTable.s

20、ize();j+)CRow scoreRow=m_scoreTablej;if( scoreRow1 = studentID)int score=atoi(scoreRow2.c_str();stu.setCourseScore(scoreRow0,score);stus.push_back(stu);bool findStu(string studentID,CStudent &stu)deque<CStudent>:iterator it;for( it=stus.begin();it!=stus.end();it+)if(it->m_ID = studentID

21、)stu=*it;return true;return false;static bool IdCompFunc(CStudent& stu1,CStudent& stu2)return stu1.m_ID < stu2.m_ID;int main()CDBManage manage;manage.ReadDatabase("DBData.txt");manage.Report("010002");manage.Report();return 0;數(shù)據(jù)文件DBData.txt中有數(shù)據(jù)如下：Student 020001 張三Stude

22、nt 010002 李四Score 數(shù)學(xué) 020001 80Score 數(shù)學(xué) 010002 70Score 物理 010002 60Score 政治 020001 90四對有標(biāo)號的行，有錯標(biāo)記X，無錯標(biāo)記，可以修改的修改。class IObjectpublic:virtual void v(int x) = 0; /1_ /2 _ class BC : IObject /3 _ int x;static int s;const int c;public:BC( ): c(0) /4_ BC(int a) x=a; c=0; /5_void BC( ) /6 _ int & getX(

23、) return this->x; /7_ static void statictX(int a)x=a; /8_ int getC( )return c; /9_ static void setS( int a) s=a; /10_int getS()return this->s; /11_virtual void v(int a) protectedFunc (a); /12_void m(int a) this.privateFunc(a); /13_private:void privateFunc( int a) x=c*a; protected:void protecte

24、dFunc( int a) x=s*a; ;class DC : public BC /14._ public:DC( )DC(int a) BC( a ); / 15 _ DC( int* p) delete p; /16_virtual void v(int a) privateFunc(a); /17_void m(const char * a);void DC: m(const char * a) /18._BC:m(0); /19 privateFunc (1); /20_int BC:s=0; /21 _ int main( ) IObject obj;/22_DC dc;dc.m

25、(10); /23._dc.m("abc"); /24._int *px=dc.getX( ); /25_BC bc;bc.privateFunc(1); /26_tectedFunc(1); /27_BC:statictX(1); /28_IObject *pobj=new BC(2);pobj->v(1); /29 _ delete pobj; /30_ BC *pbc= (BC*)pobj;/31_ BC *pb=&dc; /32 _ BC:m(2); /33_ DC *pdc= dynamic_cast<DC*>(pb); /3

26、4_pdc->v(1); /35_四 設(shè)計類(任選兩題)1. 設(shè)計一個Profession類，包含如下數(shù)據(jù)成員：name,title,credentials,education,avgIncom。類的公有接口要求包括比較Profession的avgIncome的成員函數(shù)CompareIncome和至少有10其他成員函數(shù)。2. 設(shè)計隊列模板類Queue，基本要求是要實現(xiàn)Push入隊和Pop出隊的先進先出操作，并編一個main() 函數(shù)測試它。3 . 實現(xiàn)一個Shape類層次，以Shape為抽象基類，從Shape派生出Point,Circle,Rectangle類，基本行為是MoveTo,D

27、raw，要求每個類都覆蓋draw函數(shù)，用來輸出對象的數(shù)據(jù)，并編一個main() 函數(shù)測試它。/完/標(biāo)準(zhǔn)答案五 選擇（每個2分，共14分。）1.A2.C3.B4.ACEFG5.D6.AC7.ACD六 填空1.封裝繼承多態(tài)（填空每空1分 ，共27分）2.類汽車3. 商品家電交通工具冰箱電視機自行車電動車4-5. throw "er" try6-10. real=r; image=0; real=r; image=i;friend Complex Complex Complex(t.real-u.image,t.real-u.image);11-22 stringvirtual

28、void output()DirectorCut : public FilmFilm(t,d)Film:output();ForeignFilm: public FilmLanguage = l;virtual void output( )languagepFilm = newpFilm =new ForeignFilmdelete23-27class Tint T list,T key,int nint i=0;i<n;i+return -1;七 閱讀程序1. Object-Oriented Programming in C+（每題2分，共8分。）2. p1與p2不相等3.D4. 姓名

29、王偉 工齡 40 工資 34005. （分別2分，3分，共5分。）李四成績數(shù)學(xué)70物理60成績表李四 010002數(shù)學(xué)70物理60張三020001數(shù)學(xué)80政治90四對有標(biāo)號的行，有錯標(biāo)記X，無錯標(biāo)記，可以修改的修改。（-0.5分共9分X -1分（指出錯誤0.5分 修改0.5分）共17分，共26分。）1. 2. X;3. X public IObject4. 5 . X BC(int a): c(0) x=a; 6 . X BC( )7. 8. X9. 10. 11. X return s;12. 13. X privateFunc(a); 14. 15. X DC(int a) :BC( a

30、) 16 . X DC() 17 .X18. 19. 20. X21. 22.X23. X24. 25. X int x=dc.getX( );26.X27. X28. 29. 30. 31. 32. 33.X34. 35. 五。設(shè)計類(任選兩題) （每題10分，共20分。）1. （總體、屬性、方法、main、CompareIncome分別2分，共10分）參考程序#include "stdafx.h"#include <iostream>#include <string>using namespace std;class Professionstri

31、ng name;string title;string credentials;string education;double avgIncom;public:Profession()Profession(string name) this->name=name;int CompareIncome( Profession &profes)if( avgIncom < profes.getavgIncom()return -1;else if( avgIncom = profes.getavgIncom() )return 0;else return 1;static int

32、 CompareIncome( Profession &profes1,Profession &profes2)if( profes1.getavgIncom()<profes2.getavgIncom() return -1;else if( profes1.getavgIncom()> profes2.getavgIncom() return 1;else return 0;string getname()return name;string gettitle()return title;string getcredentials()return credent

33、ials;string geteducation()return education;double getavgIncom()return avgIncom;void setname( string name ) this->name=name;void settitle( string title ) this->title=title;void setcredentials( string credentials ) this->credentials=credentials;void seteducation( string education ) this->e

34、ducation=education;void setavgIncom( double avgIncom ) this->avgIncom=avgIncom;int _tmain(int argc, _TCHAR* argv)Profession prof2;for(int i=0;i<2;i+)string name;string title;string credentials;string education;double avgIncom;cin>>name>>title>>credentials>>education>

35、>avgIncom;profi.setname(name);profi.settitle(title);profi.setcredentials(credentials);profi.seteducation(education);profi.setavgIncom(avgIncom);for(i=0;i<2;i+)cout<<profi.getname()<<"t"<<profi.gettitle()<<"t"<<profi.getcredentials()<<&quo

36、t;t"<<profi.geteducation()<<"t"<<profi.getavgIncom()<<"t"<<endl;int comp=Profession:CompareIncome( prof0,prof1 );cout<<prof0.getname()<<"avgIncom 比"<< prof0.getname();if( comp < 0 )cout<<"少"<<

37、endl;else if( comp > 0 )cout<<"多"<<endl;elsecout<<"相同"<<endl;return 0;2. （總體、template、方法、main、算法分別2分，共10分）參考程序template<class T,int size>class Queue public:Queue()elements=new Tsize;head=tail=0;count=0; virtual Queue() delete elements;void push( co

38、nst T& e );T pop()T tem= elementshead; count-;head=(head+1)%size;return tem; private:T *elements;int head; int tail;int count;template<class T,int size> void Queue<T,size>: push(const T&e)elementstail=e; count+;tail=(tail+1)%size; void main( ) Queue<string,100> queue; /創(chuàng)建有100個元素的隊列queue.push("aaaa"); queue.push("bbbbb");cout<<queue.pop()<<endl; cout<<queue.pop()<<endl;3. （Shape、Circle 、Point、Rectangle 、main分別2分，共10分）