C程序设计【综合】练习题读程序写结果题

1、chengC+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、;2.#include<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)chengint temp=a;a=b; b=temp;void main()int a=10,b=20; swapl(a,b);cout<<a<<": &quo

3、t;<<b<<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

4、 print(int w)int i;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;列程序的输出5. 假定输入 10 个整数： 32，64，53， 87，54，32， 98，56，98，83。结

5、果是什么？ &&&#include<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<iostr

6、eam.h> void main( ) int j,k;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;

7、*pPointer = 25;cout<<"nNumber 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 pPoin

8、ter; 9.#include <iostream.h> void AddFive(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

9、<iostream.h>void main() int Array3;Array0 = 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

10、<<"i="<<i<<endl;i=5;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<<&quo

11、t;,a="<<a<<endl; 13. &&& #include <iostream.h> class Point public: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,

12、Y;static int countP;Point:Point(Point &p) X=p.X;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 () <<","<

13、;<B.GetY ( );B.GetC ( );14. *#include <iostream.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+

14、y;void fun(void)cout<<addDefault()<<endl;5. *#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<

15、<endl; cout<<"b="<<b<<endl;6. *#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"<<

16、result1<<endl; cout<<"result2"<<result2<<endl; cout<<"result3"<<result3<<endl;7. *#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="

17、;<<i<<endl;18. &&&# 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.#incl

18、ude <iostream.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>voi

19、d 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<&l

20、t;" "<<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=c%

21、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(j=0;

22、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 amm;int i,j;fo

23、r(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,mouse,key" int i=0,k=0;co

24、ut<<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 studentchar num5;char name10;char sex;int age;float mathscore;void mai

25、n()struct student st10="001","Wangping",'f',19,84,"002","Zhaomin",'m',20,64,"003","Wanghong",'f',18,54,"004","Lilei",'m',19,92,"005","Liumin",'m',19,75;int i,k=

26、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<<" "<<<<" "<<sti.sex;cout<<" "<<

27、;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<<*(*(b+i)+j)<<" "cout<<endl;for(i=0;i&l

28、t;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;i-) for(j=0;j<n;j+) cout<<bij<<" " cout<<

29、;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<<" "cout<<endl;28.#include <iostream.h>void main()int b24=12,

30、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(i=0;i<2;i+)for(j=3;j>=0;j-) cout<<pij<<" " cout<<endl; 29.#in

31、clude <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(3,5,'*')<<endl;int func(int a,int b,char op) switch(op) case '+':case '-

32、':cout<<a<<op<<b<<"="return a+b;break;cout<<a<<op<<b<<"="return a-b;break;default:cout<<a<<op<<b<<"="return a*b;break;cout<<"Operator error!"<<endl; return 0; 30.#include &

33、lt;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' 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

34、->age=18;cout<<*fp<<" "<<*cp<<" "<<endl;cout<<"num="<<stp->num<<" name="<<stp->name<<" age="<<stp->age<<endl; for(i=0;i<10;i+)cout<<ipi<<" "c

35、out<<endl;delete cp;delete fp;delete ip;delete stp;. #include <iostream.h>class Pointpublic:Point(int xx=0,int yy=0)X=xx; Y=yy;cout<<" 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 <iostre