C++程序设计综合练习题-读程序写结果题(共16页)

1、精选优质文档-倾情为你奉上C+程序设计模拟题三、用C+语言描述下列命题1、A小于B并且A大于C2、A和B中有个小于C3、A是奇数4、B和C中较大者与A相等5、年份Y是闰年四、写出下列程序的执行结果1.#include <iostream .h>void main()int b35=11,12,13,14,15,21,22,23,24,25,31,32,33,34,35;int (*p)5;p=b;for(int j=0;j<5;j+)cout<<*(*p+j)<< "," ;cout<<endl;2.#include&l

2、t;iostream.h>void swapl(int a,int b)int temp=a;a=b;b=temp;void swap2(int*a,int*b) int temp=*a; *a=*b,*b=temp;void swap3(int*a,int*b)int*temp=a;a=b,b=temp;void swap4(int &a,int &b)int temp=a; a=b; b=temp;void main()int a=10,b=20; swapl(a,b);cout<<a<<": "<<b<&

3、lt;endl; swap2(&a,&b);cout<<a<<": "<<b<<endl;swap3(&a,&b);cout<<a<<": "<<b<<endl;swap4(a,b);cout<<a<<": "<<b<<endl;3. &&&#include<iostream. h>void print(int w)int i

4、; if(w!=0)print(w-1);for(i=1;i<=w;i+)cout<<w;cout<<endl;void main()print(4);4.#include<iostream.h>#define sw(x,y) x=y;y=x;x=y;void main()int a=10,b=01; sw(a,b); cout<<a<<","<<b;5. 假定输入10个整数：32，64，53，87，54，32，98，56，98，83。下列程序的输出结果是什么？&&&#in

5、clude<iostream.h> void main( )int a,b,c,x;a=b=c=0;for (int k=0; k<10; k+)cin>>x;switch(x%3)case 0:a+=x; break;case 1:b+=x; break;case 2:c+=x; break;cout<<a<<" "<<b<<" "<<c<<endl;6. *#include<iostream.h> void main( )int j,k;

6、for (j=5; j>0; j-)for (k=j; k>0; k-)cout<<"*"cout<<endl;7.#include <iostream.h>void main()int nNumber;int *pPointer;nNumber = 15;pPointer = &nNumber;cout<<"nNumber is equal to :"<< nNumber<<endl; *pPointer = 25;cout<<"nNumb

7、er is equal to :"<<nNumber<<endl; 8.#include <iostream.h>int *pPointer;void SomeFunction()pPointer = new int;*pPointer = 25;void main()SomeFunction(); cout<<"Value of *pPointer: "<<*pPointer<<endl; delete pPointer;9.#include <iostream.h>void A

8、ddFive(int* Number)*Number = *Number + 5;void main()int nMyNumber = 18;cout<<"My original number is "<<nMyNumber<<endl; AddFive(&nMyNumber);cout<<"My new number is "<<nMyNumber<<endl; 10.#include <iostream.h>void main()int Array3;Arra

9、y0 = 10;Array1 = 20;Array2 = 30;int *pArray;pArray = &Array0;cout<<"pArray points to the value."<<endl;cout<<*pArray<<endl;cout<<*(pArray+1)<<endl;11. *#include<iostream.h>int i=4; void main()cout<<"i="<<i<<endl; i=5

10、;int i; i=7;cout<<"i="<<i<<endl; cout<<"i="<<i; 12. *#include<iostream.h>void fun( );void main( )fun( );fun( );void fun( )static int a=1;int i=5;a+;i+;cout<<"i="<<i<<",a="<<a<<endl;13. &&

11、;&#include <iostream.h>class Pointpublic:Point(int xx=0, int yy=0) X=xx; Y=yy; countP+; Point(Point &p);int GetX( ) return X;int GetY( ) return Y;void GetC( ) cout<<" Object id="<<countP<<endl;private:int X,Y;static int countP;Point:Point(Point &p)X=p.X;

12、Y=p.Y;countP+;int Point:countP=0; void main ( ) Point A(4,5);cout<<"Point A,"<<A.GetX ( ) <<","<<A.GetY ( );A.GetC ( );Point B(A);cout<<"Point B,"<<B.GetX ( ) <<","<<B.GetY ( );B.GetC ( );14. *#include <iostre

13、am.h>int addDefault(int x=1,int y=2);void fun(void);void main(void) int addDefault(int x=3,int y=4); cout<<addDefault()<<endl;fun();int addDefault(int x, int y) cout<<x<<"+"<<y<<"="return x+y;void fun(void) cout<<addDefault()<<en

14、dl;15. * #include <iostream.h> void main() int m,n,a=3,b=3,number; number=237; m=number/5; n=number%5; cout<<"m="<<m<<endl; cout<<"n="<<n<<endl; a+=m; b*=n; cout<<"a="<<a<<endl; cout<<"b="<&l

15、t;b<<endl; 16. * #include <iostream.h> void main() int width,height,result1,result2,result3; height=3;width=5; result1=height>3 && width>=5; result2=height>3 | width>=5; result3=!(width>=5); cout<<"result1"<<result1<<endl; cout<<&q

16、uot;result2"<<result2<<endl; cout<<"result3"<<result3<<endl; 17. * #include <iostream.h> void main() int i=32,j=6; double df; df=i/j+2.3; cout<<"df="<<df<<endl; i=df/3; cout<<"i="<<i<<endl;18.

17、&&& # include <iostream. h> int c10; void add(int x,int y) static int i=0; ci=x+y; i+; void main() int a10=1,2,3,4,5,6,7,8,9,10; int b10=10,9,8,7,6,5,4,3,2,1; int i=0,k=0; for(i=0;i<10;i+) add(ai,bi); for(i=0;i<10;i+) cout<<ci<<" "19. #include <iostre

18、am.h> void main() char s30="computer,mouse,key" int i=0,k=0; cout<<s<<endl; while(si!='0') if(si='m')/通过数组名和下标引用数组元素 k+; i+; cout<<"i="<<i<<endl; cout<<"k="<<k<<endl; 20. #include <iostream.h> void

19、 main() char s="C+ program" char *ps1="computer" char *ps2,*ps3=s; ps2="mouse" cout<<s<<" "<<ps1<<" "<<ps2<<" "<<ps3<<endl; ps1+;ps2+=2;ps3+=4; cout<<s+4<<" "<<ps1&

20、lt;<" "<<ps2<<" "<<ps3<<endl; cout<<*s<<" "<<*ps1<<" "<<*ps2<<" "<<*ps3<<endl; ps1=s; 21. 如果输入的数据是24和18，则下列程序的输出结果是什么？*#include <iostream.h>int fun1(int c,int d) int r;r

21、=c%d; while(r!=0)c=d;d=r;r=c%d; return d; void main()int m,n,e,d;cout<<"m n="cin>>m>>n;e=fun1(m,n); d=m*n/e;cout<<e<<endl;cout<<d<<endl;22. #include <iostream.h> void main() int a34=1,2,3,4,3,4,5,6,5,6,7,8; int b43,i,j; for(i=0;i<3;i+) for

22、(j=0;j<4;j+) cout<<aij<<" " cout<<endl; for(i=0;i<4;i+) for(j=0;j<3;j+) bij=aji; for(i=0;i<4;i+) for(j=0;j<3;j+) cout<<bij<<" " cout<<endl; 23. #include <iostream.h> #include <iomanip.h> void main() const int m=5; int

23、 amm; int i,j; for(i=0;i<m;i+) ai0=1; aii=1; for(j=1;j<i;j+) aij=ai-1j-1+ai-1j; for(i=0;i<m;i+) for(int k=0;k<30-2*i;k+) cout<<" " for(j=0;j<=i;j+) cout<<setw(5)<<aij; cout<<endl; 24. #include <iostream.h> void main() char s30="computer,mou

24、se,key" int i=0,k=0; cout<<s<<endl; while(si!='0') if(si='m') k+; i+; cout<<"i="<<i<<endl; cout<<"k="<<k<<endl; 25. #include <iostream.h> #include <iomanip.h> struct student char num5; char name10; c

25、har sex; int age; float mathscore; ; void main() struct student st10="001","Wangping",'f',19,84,"002","Zhaomin",'m',20,64,"003","Wanghong",'f',18,54,"004","Lilei",'m',19,92,"005"

26、,"Liumin",'m',19,75; int i,k=0; float average=0; for(i=0;i<5;i+) average+=sti.mathscore; average/=10; cout<<"average="<<average<<endl; for(i=0;i<5;i+) if(sti.mathscore<60) k+; cout<<sti.num<<" "<<<<"

27、; "<<sti.sex; cout<<" "<<sti.age<<" "<<sti.mathscore<<endl; cout<<k<<endl; 26. #include <iostream.h> void main() int b34=23,38,16,12,56,89,66,34,58,12,90,100; int i,j,m=3,n=4; for(i=0;i<m;i+) for(j=0;j<n;j+) cout<

28、;<*(*(b+i)+j)<<" " cout<<endl; for(i=0;i<20;i+) cout<<"-"cout<<endl; for(i=0;i<m;i+) for(j=n-1;j>=00;j-) cout<<*(bi+j)<<" " cout<<endl; for(i=0;i<20;i+) cout<<"-"cout<<endl; for(i=m-1;i>=0

29、;i-) for(j=0;j<n;j+) cout<<bij<<" " cout<<endl; 27. #include <iostream.h> void main() int a=12,22,32,42,52,62,72,82,92,102; int i, m=5; int *p=a; for(i=0;i<m;i+) cout<<*p+<<" " cout<<endl; for(i=m-1;i>=0;i-) cout<<pi<<

30、;" " cout<<endl; 28. #include <iostream.h> void main() int b24=12,36,62,14,56,98,74,63; int (*p)4=b; int i,j; for(i=0;i<2;i+) for(j=0;j<4;j+) cout<<*(*(p+i)+j)<<" " cout<<endl; for(i=0;i<20;i+) cout<<"-"cout<<endl; for(

31、i=0;i<2;i+) for(j=3;j>=0;j-) cout<<pij<<" " cout<<endl; 29. #include <iostream.h> #include <stdlib.h> void main() int func(int a,int b,char op); int (*fptr)(int a,int b,char op); fptr=func; cout<<func(3,5,'+')<<endl; cout<<fptr(

32、3,5,'*')<<endl; int func(int a,int b,char op) switch(op) case '+': cout<<a<<op<<b<<"="return a+b;break; case '-': cout<<a<<op<<b<<"="return a-b;break; case '*': cout<<a<<op<<b&

33、lt;<"="return a*b;break; default: cout<<"Operator error!"<<endl; return 0; 30. #include <iostream.h> struct student char *num; char *name; int age; ; void main() int *ip;float *fp;char *cp; struct student *stp; fp=new float(32.6); cp=new char; *cp='A'

34、 ip=new int10; for(int i=0;i<10;i+) ipi=2*i+2; stp=new struct student; stp->num="12" stp->name="Li" stp->age=18; cout<<*fp<<" "<<*cp<<" "<<endl; cout<<"num="<<stp->num<<" name="

35、<<stp->name<<" age="<<stp->age<<endl; for(i=0;i<10;i+) cout<<ipi<<" " cout<<endl; delete cp;delete fp; delete ip;delete stp; 31. #include <iostream.h>class Point public: Point(int xx=0,int yy=0) X=xx; Y=yy;cout<<"

36、;构造函数被调用"<<endl; Point(Point& p); int GetX( ) return X; int GetY( ) return Y; private: int X,Y;Point:Point (Point& p) X=p.X; Y=p.Y; cout<<"拷贝构造函数被调用"<<endl;Point fun2( ) Point A(1,2); return A;void fun1(Point p) cout<<p.GetX( )<<endl; void main( ) Point A(1,2); fun1(A); Point B(A); cout<<B.GetX( )<<endl; B=fun2(); cout<<B.GetX( )<<endl;32. *#include <ios