c++题库编程题

1、112-5#in clude<iostream>#in clude<stri ng>#in clude<math.h>using n amespace std;class Trian gle int a,b,c;public: double Area() double s=(a+b+c)/2;return sqrt(s*(s-a)*(s-b)*(s-c); ;int Perimeter() retur n a+b+c;void In put() cin> >a»b»c; ;void mai n() Triangle t1;t1

2、.I nput();cout<<t1.Area()<<" "<<t1.Perimeter(); /2-3#in clude<iostream.h>in li ne int max(i nt a,i nt b)if(a>b)return a;else return b;in li ne int max(i nt a,i nt b,i nt c)return max(a,max(b,c);void mai n()int x=21,y=15,z=22,d; d=max(x,max(y,z);cout<<d;/2-4

3、#in clude<iostream.h>int overload(i nt n);char overload(char n);void mai n()int n;char s;cout<<"输入 5"cin»n;cout< <"n="<< overload( n)<<en dl; cout<<"输入 a"<<endl;cin> >s;cout<<"a=" cout<<overload(

4、s)<<e ndl;int overload(i nt n)return n;char overload(char n)cout<<"b"<<e ndl;return 0;112-2#i nclude"iostream"using n amespace std;in li ne char tran s(char ch);int mai n()char ch;while(ch=getchar()!='n') cout<<tra ns(ch);cout<<e ndl;return 0

5、;in li ne char tran s(char ch)if(ch>='a'&&ch<='z')return ch-32;elsereturn ch+32;3-1#in clude<iostream>using std:cout;using std:e ndl;int Min(int a,int b)retur n (a<b?a:b);int Mi n(i nt a,i nt b,i nt c)return (Mi n(a,b)<c?Mi n(a,b):c);int Min (i nt a,i nt b,i

6、 nt c,i nt d)return (Mi n(a,b,c)<d?Mi n(a,b,c):d);void mai n(void)cout<<"MIN(1,2)="<<Mi n(1,2)<<e ndl; cout<<"MIN(3,4,5)="<<Mi n(3,4,5)<<e ndl; cout<<"MIN(4,5,6,7)="<<Mi n(4,5,6,7)<<e ndl;3-2#in clude<iostream&

7、gt;using n amespace std;void Area(float r)cout<<"the circle's area is: "<<3.14*r*r<<e ndl;void Area(float a,float b)cout<<"the recta ngle's(square's) area is: "<<a*b<<e ndl;void Area(float a,float b,float h)cout<<"the tra

8、pzoid's area is: "<<(a+b)*h/2<<e ndl;void mai n()Area(5);Area(3,3);Area(3,5,4);3-3#in clude<iostream>using n amespace std;void Sort(int a,int n)bool flag;for(i nt i=0;i <n-1;i+)flag=false;for(i nt j=1;j< n_i;j+)if(aj-1>aj)int temp=aj-1;aj-1=aj;aj=temp;flag=true;if

9、(!flag)break;for(i nt m=0;m <n ;m+)cout<<am<<''cout<<e ndl;void Sort(float b,i nt n)bool flag;for(i nt i=0;i <n-1;i+)flag=false;for(i nt j=1;j< n_i;j+)if(bj-1>bj)float temp=bj-1;bj-1=bj;bj=temp;flag=true;if(!flag) break;for(i nt m=0;m <n ;m+)cout<<bm<

10、;<''cout<<e ndl;void mai n()int a10=3,5,1,2,9,0,8,6,4,7;float b10=0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0;Sort(a,10);Sort(b,10);113-4#in clude<iostream>using n amespace std;class Recta nglefloat a,b;public:Recta ngle()cout<<"i nput the two side of the recta ngle:&qu

11、ot;<<e ndl; cin> >a»b;Recta ngle(float x,float y):a(x),b(y)float Cir()return (2*(a+b);float Area()return (a*b);void mai n()Recta ngle Re;cout<<"the recta ngle's circumfere nee is:"<<Re.Cir()<<e ndl <<"the recta ngle's area is:"<

12、<Re.Area()<<e ndl;3-5#in clude<iostream>using n amespace std;class Circlefloat r;public:Circle()cout<<"i nput the radius of the circle:"<<e ndl; cin»r;Circle(float x):r(x)float Cir()return 2*3.14*r;float Area()return 3.14*r*r; ；void mai n()Circle C(5);cout &

13、lt;<"the Circle's circumfere nee is:"<<C.Cir()<<e ndl <<"the Circle's Area is:"<<C.Area()<<endl;4-1class stude ntint no;char n ame20;public:stude nt();int get no ()c on st;char*get name();#in clude<stri ng.h>stude nt:stude nt()n o=1;

14、strcpy (n ame,"wa ng");int stude nt:get no ()c onstreturn no;char*stude nt:get name()return n ame;int mai n()stude nt s1;sl.get no ();sl.get name();const stude nt s2;s2.get no();return 0;4-3#in clude<iostream.h>class objectfloat a;float weight;public:object(float w);object()cout<&

15、lt;"destruct weight"<<e ndl;class box:public objectfloat b;float height,widt;public:box(float w,float h,float wi):object(w),height(h),widt(wi)cout<<"c on struct height"<<e ndl;cout<<"c on struct widt"<<e ndl;box()cout<<"destruct

16、height"<<e ndl;cout<<"destruct widt"<<e ndl;object:object(float w)weight=w;cout<<"c on struct weight"<<e ndl;int mai n()box b(1.1,2.2,3.3);return 0;4-4#i nclude"iostream"using n amespace std;class baseclasspublic:baseclass()cout<<

17、;"a.c"<<e ndl;virtual baseclass()cout<<"ad"<<e ndl;class derivedclass:public baseclasspublic:derivedclass()cout<<"b.c"<<e ndl;derivedclass()cout<<"b.d"<<e ndl;int mai n()derivedclass obj;baseclass *p;p=&obj;return

18、0;4-5#i nclude"iostream"#in clude<stri ng.h>using n amespace std;class Doume ntchar *n ame;public:Doume nt(char *na)n ame=new char strle n (n a)+1;strcpy( name ,n a);"<<n ame<<e ndl;virtual void prin t() const cout<<"姓名:;class Book:public Doume ntint pagec

19、o unt;char *n ame;public:Book(i nt p,char *n a):Doume nt(na)p=pageco unt;n ame=new char strle n (n a)+1;strcpy (n ame ,n a);页码:"<<pagecount<<"姓名:"<<name<<endl;void prin t() const cout<<"void disp(Doume nt& i)i.pri nt();int mai n()Book b(23,"

20、 小明"); disp(b);return 0;5-1#i nclude"iostream"using n amespace std;class pointprivate:int兀int y;int乙static int num;public:poin t(i nt a,i nt b,i nt c); int prin t();int poin t: num=0;int mai n()poi nt p1(1,2,3);pl.pri nt();poi nt p2(5,3,2);pl.pri nt();poi nt p3(3,6,4);pl.pri nt();retu

21、rn 0;poin t:po in t(i nt a,i nt b,i nt c) x=a;y=b;z=c;nu m+;int poin t:pri nt()cout<<"第"<<num<<"个点"<<x<<","<<y<<","<<z<<endl; return 0;5-2#in clude<iostream>#in clude<cstri ng>using n amespace s

22、td;class Stuchar n ame15;int age;float score;public:static int count;static float sum;Stu(char *p,i nt a,float s):age(a),score(s)strcpy( name,p);coun t+;sum+=score;Stu()cout<<"i nput the stude nt's n ame,age,score:"<<e ndl; cin»n ame>>age>>score;coun t+;sum

23、+=score;int Stu:co un t=0;float Stu:sum=0;void mai n()Stu p("子机",19,98),q;cout<<"the nu mber of stude nts is: "<<Stu:co un t<<e ndl<<"the total score is: "<<Stu:sum<<e ndl;5-3#in clude<iostream>using n amespace std;class Pointfl

24、oat x,y,z;public:Poi nt(float a=0,float b=0,float c=0):x(a),y(b),z(c)Point operator +();Point operator -();Point operator +(i nt);Point operator -(i nt);void show()cout<<"( x , y , z )="<<"( "<<x<<" , "<<y<<" , "<<z<

25、;<" )"<<e ndl;Point Poin t:operator +()return Poin t(+x,+y,+z);Point Poin t:operator -()return Poi nt(-x,-y,-z);Point Poin t:operator +(i nt)Point temp;temp.x=x+;temp.y=y+;temp.z=z+;return temp;Point Poin t:operator -(i nt)Point temp;temp.x=x-;temp.y=y-;temp.z=z-;return temp;void

26、mai n()Poi nt a(1,1,1),b(2,2,2),c,d;cout<<"a :"a. show();cout<<"b :"b. show();cout<<e ndl;c=a+;cout<<"c = a+n"cout<<"c :"c. show();cout<<e ndl;d=+b;cout<<"d = +bn"cout<<"d :"d. show();cout<

27、<"New a and b :n"a. show();b. show();cout<<e ndl;c=a-;cout<<"c = a-n"cout<<"c :"c. show();cout<<e ndl;d=_b;cout<<"d = -bn"cout<<"d :"d. show();cout<<"New a and b :n"a. show();b. show();5-4#in clu

28、de<iostream>using n amespace std;class Complexfloat real,image;public:Complex(float a,float b):real(a),image(b)Complex()friend bool operator =(Complex &x,Complex &y)retur n (x.real=y.rea I&& x.image=y.image);void mai n()Complex Cp1(1,2),Cp2(3,4),Cp3(1,2);cout<<(Cp1=Cp2)&l

29、t;<e ndl<<(Cp1=Cp3)<<e ndl;6-1#in clude<iostream>using n amespace std;class Complexfloat real,image;public:Complex(float x,float y):real(x),image(y)Complex()Complex operator +(Complex &a)retur n Complex(real+a.real,image+a.image);Complex operator -(Complex &b)return Comp

30、lex(real-b.real,image-b.image);friend ostream & operator <<(ostream &output,Complex &c) output<<'('<<c.real<<','<<c.image<<')'return output;void mai n()Complex Cp1(1,-2),Cp2(2,5),Cp3,Cp4;Cp3=Cp1+Cp2;Cp4=Cp1-Cp2; cout<<Cp1&

31、lt;<'+'<<Cp2<<'='<<Cp3<<e ndl <<Cp1<<'-'<<Cp2<<'='<<Cp4<<e ndl;6-2#in clude<iostream>using n amespace std;class computerfloat x,y;public:computer(float a=0,float b=0):x (a) ,y(b)computer operator +()

32、;computer operator -();computer operator +(i nt);computer operator -(i nt);void show()cout<<"( x , y )="<<"( "<<x<<" , "<<y<<" )"<<e ndl;computer computer:operator +()retur n computer(+x,+y);computer computer:operator

33、-()return computer(_x,_y);computer computer:operator +(i nt)computer temp;temp.x=x+;temp.y=y+;return temp;computer computer:operator -(i nt)computer temp;temp.x=x-;temp.y=y_;return temp;void mai n()computer a(1,1),b(2,2),c,d;cout<<"a :"a. show();cout<<"b :"b. show();c

34、out<<e ndl;c=a+;cout<<"c = a+n"cout<<"c :"c. show();cout<<e ndl;d=+b;cout<<"d = +bn"cout<<"d :"d. show();cout<<"New a and b :n"a. show();b. show();cout<<e ndl;c=a-;cout<<"c = a-n"cout<

35、;<"c :"c. show();cout<<e ndl;d=_b;cout<<"d = -bn"cout<<"d :"d. show();cout<<"New a and b :n"a. show();b. show();6-3#in clude<iostream.h>#in clude<stri ng.h>class stri ngchar *xstri ng;public:stri ng(char *str);stri ng();s

36、tring &operator=(const string &); void prin t();stri ng:stri ng(char *str)xstri ng=new char strle n( str)+1; strcpy(xstri ng,str);stri ng:stri ng()delete xstri ng;void stri ng:pri nt()cout<<xstri ng<<e ndl;int mai n()stri ng s1("hello");stri ng s2("ya ngche nhua n&

37、quot;); s2.pri nt();s2=s1;cout<<"修改后："s2.pri nt();return 0;string & string :operator=(const string &s)if(this=&s)return *this;delete xstri ng;xstring=new char strlen(s.xstring)+1;strcpy(xstri ng,s.xstri ng);return *this;6-4#in clude <iostream>#in clude <stri ng&g

38、t;using n amespace std;class String public:String() p=NULL;Strin g(char *str);friend bool operator=(String &string1,String &string2); void display();private:char *p; ;Strin g:Stri ng(char *str) p=str; void Strin g:display() cout«p; II 输出P所指向的字符串bool operator=(String &string1,String

39、&string2) if(strcmp(stri ng1.p,stri ng2.p)=0)return true;elsereturn false; void compare(String &string1,String &string2)if(operator=(stri ng1,stri ng2)=0) stri ng1.display();cout<<"="stri ng2.display();else cout<<"error!"<<e ndl;int mai n() Stri ng s

40、tri ng1("Hello"),stri ng2("chi na");compare(stri ng1,stri ng2);return 0;6-5#in clude<cstri ng>#in clude<iostream>using n amespace std;class Stringchar *p;public:Stri ng()p=NULL;Strin g(c onst char *s)p=new char(strle n( s)+1);strcpy(p,s);char * operator +(c onst char

41、*s)char *temp=new char(strle n( p)+strle n( s)+1); strcpy(temp,p);strcat(temp,s);return temp;friend bool operator =(c onst String &a,c onst String &b) return (!strcmp(a.p,b.p);friend ostream &operator <<(ostream &output,c onst String &d) output<<d.p;retur n output;voi

42、d mai n()Stri ng Str1("Malagebi!"),Str2("Ready,Go!"),Str3;Str3=Str1+" ni shi"cout<<Str3<<e ndl<<(Str1=Str2)<<e ndl;7-1#in clude<iostream>using n amespace std;class Carint wnum;float weight;public:Car(i nt a,float b):w nu m(a),weight(b)void

43、Cshow()cout<<"轮子个数："<<wnum<<"个"<<endl<<"车重："<<weight<<" T"<<e ndl;class SmallCar:private Carint s_cnum;public:SmallCar(i nt a,float b,i nt c):Car(a,b),s_cnum(c)void Sshow()Cshow();cout<<"载客量："<

44、<s_cnum<<" 人次"<<endl;class BigCar:private Carint b_cnum;float b_cweight;public:BigCar(int a,float b,int c,float d):Car(a,b),b_cnum(c),b_cweight(d)void Bshow()Cshow();cout<<"载客量： "<<b_cnum<<"人 次"<<endl<<"载重量 "<<

45、;b_cweight<<"T"<<e ndl;int mai n()Car car(4,8);SmallCar smallcar(8,16,8);BigCar bigcar(16,32,16,32);cout<<"汽车："<<endl;car.Cshow();cout<<"n 小车："<<e ndl;smallcar.Sshow();cout<<"n 卡车："<<e ndl;bigcar.Bshow();return 0

46、;7-2#in clude<iostream>#in clude<cmath>using n amespace std;class Shapefloat x,y;public:Shape(float a,float b):x(a),y(b)void show()cout<<"左上角坐标(x,y)= ("<<x<<','<<y<<")n"virtual float GetArea()=0;class Rec:virtual public Shapefloat

47、 high,width;public:Rec(float a,float b,float c,float d):Shape(a,b),high(c),width(d) void show()cout<<"矩形：n"Shape:show();cout<<"矩形宽、高："<<width<<' '<<high<<endl;float GetArea()show();return high*width;class Ell:virtual public Shapefloat x

48、x,yy;public:Ell(float a,float b,float c,float d):Shape(a,b),xx(c),yy(d)void show()cout<<"椭圆：n"Shape:show();cout<<"椭圆 x 轴，y 轴："<<xx<<' '<<yy<<endl;float GetArea()show();return 4*ata n(1)*xx*yy;int mai n()Rec rec(5,5,5,5);Ell ell(8,8,12,1

49、0);Shape *s;s=&rec;cout<<"矩形的面积："<<s->GetArea()<<endl<<endl; s=&ell;cout<<"椭圆的面积："<<s->GetArea()<<endl<<endl; return 0;7-3#in clude <iostream>#in clude <stri ng>using n amespace std;class mammal int m;publi

50、c:mammal(i nt i=0):m(i)cout<<"mammal is con struct"<<e ndl;mammal()cout<<"mammal is destructive ndl;class cat:public mammalint c;public:cat( int j=0):c(j)cout<<" cat is con struct"<<e ndl;cat()cout<<"cat is destructive ndl;；class dog:

51、public mammalint d;public:dog(int k=O):d(k)cout<<" dog is con struct"<<e ndl;dog()cout<<"dog is destruct"<<e ndl;int mai n()cat c;dog d;return 0;7-4p39.78-1#in clude<iostream>using n amespace std;template <class T1,class T2>double sum(T1 a,T2 b

52、)return (a+b);void mai n()cout<<sum(1,3)<<e ndl;cout<<sum(1.2,3)<<e ndl;cout<<sum(1,3.1)<<e ndl; cout<<sum(1.2,3.34)<<e ndl;8-2P 课本 179118-3#in clude<iostream>using n amespace std;con st int M=100;template <class T>class ArrayT arrayM;int len;public:Array();void sort();void search()cout<<"the num you want to search is :"T x;ci n> >x;for(i nt i=0;i<le n;i+)if(x=arrayi)cout<<&q