C++大学教程实验指导课后实验答案(共23页).docx

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1、精选优质文档-倾情为你奉上/整数集/chart 7#include using std:cout;using std:endl;#include integerset.hint main()IntegerSet a( 101 ),b( 101 ),c( 101 ), d( 101 );cout Enter set A: n;a.inputSet();cout nEnter set B:n;b.inputSet(); c=b.unionOfIntegerSets(a); d=b.intersectionOfIntegerSets(a);cout nUnion of A and B is:n;c.

2、setPrint();cout Intersection of A and B is:n;d.setPrint(); if( a.isEqualTo( b ) )cout Set A is equal to set Bn;elsecout Set A is not equal to set Bn;cout nInserting 77 into set A.n;a.insertElement( 77 );cout Set A is now:n;a.setPrint();cout nDeleting 77 from set A.n;a.deleteElement( 77 );cout Set A

3、is now:n;a.setPrint();cout endl;return 0; #include using std:cout;using std:cin;#include #include using std:setw;/*white include derective for intrgerSet.h*/#include integerset.hIntegerSet:IntegerSet( int s )size = s;set = new int size;assert( set != 0);emptySet();/* white call to emptyset */Integer

4、Set:IntegerSet( const IntegerSet &init )size = init.size;/*whrit a statement to allocate sufficient memory*/set = new int size ;assert( set != 0);emptySet();/*whrite stament to copy elements of init*/for( int i = 0; i size; i+ )seti = init.seti;void IntegerSet:emptySet()for( int i=0; i size ; i+)set

5、i = 0;void IntegerSet:inputSet( void )int number;docout number;if(validEntry( number)setnumber = 1;/数和位置是相同的else if (number != -1)cout Invalid Elementn;while ( number != -1 );cout Entry completen;void IntegerSet:setPrint(void) constint x = 1;bool empty = true;cout ;for (int u =0; u size; +u)if ( set

6、u )cout setw( 4 ) u (x % 10 = 0 ? n : );empty = false;+x;if ( empty )cout setw( 4 ) -;cout setw ( 4 ) r.size ? size : r.size );temp.emptySet();int iterations = ( size r.size ? size : r.size);for ( int i = 0; i r.size ? size : r.size );temp.emptySet();int iterations = ( size r.size ? size : r.size);f

7、or ( int i = 0; i iterations; i+)if( set i = 1 & r.set i = 1)temp.set i = 1;return temp;void IntegerSet:insertElement( int k )if( validEntry(k) )set k = 1;elsecout Invalid insert attempted!n;void IntegerSet:deleteElement( int m )setm = 0;/*write definition for isEqualTo*/bool IntegerSet:isEqualTo( c

8、onst IntegerSet &r ) constif(size = r.size)for(int i=0; i = 0 & x size; ;#endif/计算机#include #include SimpleCalculator.husing std:cout;using std:endl;int main() double a = 10.0; double b = 20.0; SimpleCalculator sc; cout The value of a is: a n; cout The value of b is: b nn; double addition = sc.add(

9、a, b ); cout Adding a and b yields addition n; double subtraction = sc.subtract( a, b ); cout Subtracting b from a subtraction n; double multiplication = sc.multiply( a, b ); cout Multiplying a and b yields multiplication n;double division = sc.divide( a, b ); cout Dividing a by b yields division en

10、dl; return 0;#include SimpleCalculator.hdouble SimpleCalculator:add( double a, double b ) const return a +b;double SimpleCalculator:subtract( double a, double b ) const return a - b;double SimpleCalculator:multiply( double a, double b ) const return a * b;double SimpleCalculator:divide( double a, do

11、uble b ) const return a/b;#include SimpleCalculator.hdouble SimpleCalculator:add( double a, double b ) const return a +b;double SimpleCalculator:subtract( double a, double b ) const return a - b;double SimpleCalculator:multiply( double a, double b ) const return a * b;double SimpleCalculator:divide(

12、 double a, double b ) const return a/b;/学生#ifndef STUDENT_H#define STUDENT_Hclass Studentpublic:Student( const char *);Student();void displayGrades() const;Student &addGrade( int ) ;static int getNumStudents();private:int *grades;char *name;int numGrades;int idNum;static int numStudents; ;#endif#inc

13、lude using std:cout;using std:endl;#includeusing std:setw;#include #include student.hint Student:numStudents = 0;/初始化Student:Student( const char * n ) grades = new int 100 ; grades 0 = 0; name = new char strlen( n ) + 1 ; strcpy( name, n ); numGrades = 0; numStudents+; cout A student has been addedn

14、;Student:Student() cout name has been deletedn; delete grades; delete name; numStudents-;void Student:displayGrades() const cout Here are the grades for name endl; for ( int i = 0; i numGrades; i+ ) cout setw( 5 ) grades i ; cout endl endl; Student &Student: addGrade( int grade ) numGrades+; int * t

15、emp = new int numGrades + 1 ; for ( int i = 0; i numGrades; i+ ) temp i = grades i ; temp numGrades = grade; grades numGrades-1 = temp numGrades; return *this; int Student:getNumStudents() return numStudents; #include using std:cout;using std:endl;#include student.hint main() cout There are currentl

16、y Student:getNumStudents()addGrade( 100 ).addGrade( 75 ).addGrade( 89 );s1ptr-displayGrades();Student *s2ptr = new Student( Student 2 );s2ptr-addGrade( 83 ).addGrade( 92 );s2ptr-displayGrades(); Student s3( Student 3 );s3.addGrade( 62 ).addGrade( 91 ).displayGrades();cout There are currently s3.getN

17、umStudents() studentsnn;delete s2ptr;delete s1ptr;return 0;/卡片#ifndef CARD_H#define CARD_Hclass Card public:/忘记“:” Card(int =4,int=1);/改的 Card();/改的 void setSuit( int ); void setValue( int ); int getSuit() const; int getValue() const; void print() const;private:/忘记“:” int suit ; int value; bool vali

18、dCard() const;没写;#endif#include using std:cout;using std:endl;#includecard.hCard:Card( int s, int v)setSuit(s);setValue(v); /改的 Card:Card() cout The destructor has been invokedn; void Card:setSuit( int s ) suit = s; void Card:setValue( int v ) value = v; void Card:print() constif ( !validCard() ) co

19、ut This card is not validn; return; cout This is the: ; switch ( value ) case 1: cout Ace ; break; case 11: cout Jack ; break; case 12: cout Queen ; break; case 13: cout King ; break; default: cout getValue() ; switch ( suit ) case 1: cout of clubsn; break; case 2: cout of diamondsn; break; case 3:

20、cout of heartsn; break; case 4: cout of spadesn; break; default: cout = 1 & value = 1 & suit = 4;#include #include card.husing std:cout;using std:endl;int main() Card c1; Card c3( 1, 14 ); Card c2( 3, 4 ); Card *p1 = &c2; c1.print(); c2.print(); c3.print(); p1-print(); cout getSuit() ); c3.setValue(

21、12); c2.setValue(5); c1.print(); c2.print(); c3.print(); p1-print(); cout endl; return 0;/ Chapter 8 of C+ How to Program/ doubleScriptedArray.h#ifndef DARRAY_H#define DARRAY_H#include using std:ostream;using std:istream;class DoubleScriptedArray friend ostream &operator( istream &, DoubleScriptedAr

22、ray & );public: DoubleScriptedArray( int = 10, int = 10 ); DoubleScriptedArray( const DoubleScriptedArray & ); DoubleScriptedArray(); const DoubleScriptedArray &operator=( const DoubleScriptedArray & ); bool operator=( const DoubleScriptedArray & ) const; bool operator!=( const DoubleScriptedArray &

23、right ) const return ! ( *this = right ); int &operator()( int, int ); / lvalue const int &operator()( int, int ) const;private: int rows; int columns; int *ptr; ;#endif/ Chapter 8 of C+ How to Program/ doubleScriptedArray.cpp/双下标数组#include using std:cout;using std:cin;using std:endl;#include using

24、std:setw;#include #include #include doubleScriptedArray.hDoubleScriptedArray:DoubleScriptedArray( int r, int c ) rows = ( r 0 ? r : 10 ); columns = ( c 0 ? c : 10 ); ptr = new int rows * columns ; assert( ptr != 0 ); for ( int i = 0; i rows * columns; i+ ) ptr i = 0; DoubleScriptedArray:DoubleScript

25、edArray( const DoubleScriptedArray &init ) rows = init.rows; columns = init.columns; ptr = new int rows * columns ; assert( ptr != 0 ); for ( int i = 0; i rows * columns; i+ ) ptr i = init.ptr i ; DoubleScriptedArray:DoubleScriptedArray() delete ptr; const DoubleScriptedArray &DoubleScriptedArray:op

26、erator=( const DoubleScriptedArray &init ) rows = init.rows; columns = init.columns; ptr = new int rows * columns ; assert( ptr != 0 ); for ( int i = 0; i rows * columns; i+ ) ptr i = init.ptr i ; return *this; bool DoubleScriptedArray:operator=( const DoubleScriptedArray &right ) const if ( rows !=

27、 right.rows ) return false; if ( columns != right.columns ) return false; for ( int i = 0; i = 0 & s1 =0 & s2 = 0 & s1 = 0 & s2 ( istream &input, DoubleScriptedArray &a ) for ( int i = 0; i a.ptr i ; return input;ostream &operator( ostream &output,const DoubleScriptedArray &a ) for ( int i = 0; i a.

28、rows * a.columns; i+ ) output setw( 6 ) a.ptr i ; if ( ( i + 1 ) % a.columns = 0 ) output endl; if ( i % a.columns != 0 ) output endl; return output; / Chapter 8 of C+ How to Program/ Driver for class DoubleScriptedArray#include using std:cout;using std:cin;using std:endl;#include #include doubleScr

29、iptedArray.hint main() srand( time( 0 ) ); DoubleScriptedArray a( 6, 7 ), b( 8, 2 ); cout Uninitialized array a is: n a Uninitialized array b is: n b; for ( int i = 0; i 6; i+ ) for ( int j = 0; j 7; j+ ) a(i,j)=rand()%100; b = a; cout nInitialized array a is now:n a Assigning b = a:n b; if ( a = b

30、) cout a was found to be equal to bn; else cout a was found to be not equal to bn; cout The element (2, 1) of array a is: a( 2, 1 ) endl; a( 2, 1 ) = -1; cout Changed element (2, 1) to -1: n a; if ( a = b ) cout a was found to be equal to bn; else cout a was found to be NOT equal to bn; return 0;三、实

31、验内容、步骤和结果分析（列出实验内容，阐明实验步骤及中间的结果或现象、最终结果和现象，对这些结果和现象进行分析，若出现误差也予以分析误差原因）1.汽车。从类Car中以公有模式继承得到一个类Racecar，描述这种汽车特性包括它的最大速度、引擎阀的数量、颜色和名称。Racecar的变速箱（齿轮数）、保人、保险器等特征是独一无二的，在私有数中程序只能提供set方法。浏览私有数据的唯一的途径就是采用print（打印）方法。/ Chapter 9 of C+ How to Program/ racecar.h#ifndef RACECAR_H#define RACECAR_H#include car.

32、hclass Racecar : public Carpublic: Racecar( char *, char *, char * ); Racecar(); void setGearbox( int ); void useParachute( bool ); void print() const;private: int gearbox; / the number of gears in a car (i.e., 5-speed) char *sponsor; bool parachuteDeployed; ;#endif/ Chapter 9 of C+ How to Program/

33、car.h#ifndef CAR_H#define CAR_Hclass Car public: Car( char *, char * ); Car(); void setMaxSpeed( int ); void setEngineValves( int ); void print() const;protected: int maxSpeed; int engineValves; char *color; char *name;#endif/ Chapter 9 of C+ How to Program/ racecar.cpp#include using std:cout;using std:endl;#include #in