C程序设计编程实例大全精编.docx

1、C程序设计编程实例大全精编 Document number：WTT-LKK-GBB-08921-EIGG-22986C程序设计编程实例大全精编C+程序编程实例大全#includeint main() std:couthello world!; #include iostreamusing namespace std;void main() int *p; p=new int; *p=5; /*p=new int(5);*/ cout*p; delete p; #include iostreamusing namespace std;void main() char name10; coutna

2、me; coutthe name is nameendl; #include iostreamusing namespace std;void main() char name10; int age; coutname; coutage; coutthe name is nameendl; coutthe age is agen; student wang; =n; cin; cout endl; #include iostreamusing namespace std;void main() int *p; int n; coutn; if(p=new intn)=0) coutcant a

3、llocate more memory, terminatingendl; exit(1); for(int i=0;in;i+) pi=i*2; coutNow output the array: endl; for(i=0;in;i+) coutpi endl; delete p; #include iostreamusing namespace std;void main() int *p; int n; coutn; if(p=new intn)=0) coutcant allocate more memory, terminatingendl; exit(1); for(int i=

4、0;in;i+) pi=i*i+1; coutNow output the array: endl; for(i=0;in;i+) coutpi ; coutendl; delete p; /* Note:Your choice is C IDE */#include using namespace std;float a=;void main() int a=8; coutaendl; cout:aendl; /* Note:Your choice is C IDE */#include void main() int num=50; int &ref=num; ref+=10; coutn

5、um=numendl; coutref=refendl; num+=40; coutnum=numendl; coutrefrefendl; /* Note:Your choice is C IDE */#include void main() int num; int &ref=num; num=5; coutnum=numendl; coutref=refendl; cout&num=&numendl; cout&ref=&refendl; /* Note:Your choice is C IDE */#include using namespace std;void swap(int &

6、x,int &y);void main() int x=5,y=6; coutbefore swap, x:x ,y:yendl; swap(x,y); coutafter swap, x:x ,y:y;void swap(int &rx,int &ry) int t=rx; rx=ry; ry=t; #includeendl; inline double circumference(double radius) return 2*radius; /* Note:Your choice is C IDE */#include int add(int x,int y) int sum; sum=

7、x+y; return sum; int add(int x,int y,int z) int sum; sum=x+y+z; return sum; void main() int a,b; a=add(5,10); b=add(5,10,20); couta=aendl; coutb=bendl; /* Note:Your choice is C IDE */#include templateT min(T a,int n) int i; T minv=a0; for(i=1;iai) minv=ai; return minv; void main() int a=1,3,0,2,7,6,

8、4,5,2; double b=,; int c=1,9,5,-6,7,8; couta de shuzu zhong min zhi wei:min(a,9)endl; coutb de shuzu zhong min zhi wei:min(b,4)endl; coutc de shuzu zhong min zhi wei:min(c,6)endl; /* Note:Your choice is C IDE */#include #define PI #define CS Circle_Squaretemplatedouble Circle_Square(T x) return x*x*

9、PI; double Circle_Square(long x) return x*x*PI; void main() int r1=1; double r2=; long r3=3; coutThe first cs is CS(r1)endl; coutThe second cs is CS(r2)endl; coutThe third cs is CS(r3)endl; /* Note:Your choice is C IDE */#include void main() int i=0,&l=i,&k=l; i=+l-k; couti=iendl; /* Note:Your choic

10、e is C IDE */#include class Tdate public: void set(int,int,int); int isLeapYear(); void print(); private: int month; int day; int year;void Tdate:set(int m,int d,int y) month=m;day=d;year=y; int Tdate:isLeapYear() return(year%4=0&year%100!=0)|(year%400=0);void Tdate:print() coutmonth/day/yearendl; c

11、outisLeapYear()endl;void main() Tdate x; (10,23,2000); (); (); /* Note:Your choice is C IDE */#include class Tdate public: void set(int,int,int); int isLeapYear(); void print(); private: int month; int day; int year; ;void Tdate:set(int m,int d,int y) month=m;day=d;year=y; int Tdate:isLeapYear() ret

12、urn(year%4=0&year%100!=0)|(year%400=0);void Tdate:print() coutyear/month/dayendl;void someFunc(Tdate& refs) (); if() couterrorendl; else coutrightprint(); if(*pTdate).isLeapYear() couterrorendl; else coutrightendl; someFunc(s); #includeusing namespace std;void sphere();int main() sphere(); void sphe

13、re() double radius; coutradius; if(radius0) return; coutthe result is radius*radius*4n; /* Note:Your choice is C IDE */#includeconst int SIZE=10;class Cstack private: char stkSIZE; int position; public: void init() position=0; char push(char ch); char pop();char Cstack:push(char ch) if(position=SIZE

14、) cout栈满endl; return 0; stkposition+=ch; return ch;char Cstack:pop() if(position=0) coutn栈空endl; return 0; return stk-position;void main() Cstack s; (); char ch; coutplease input some characters:ch; while(ch!=#&(ch) cinch; coutendl; coutnow output the data:endl; while(ch=() coutch;/* Note:Your choic

15、e is C IDE */#include class Tdate public: void set(int m=5,int d=16,int y=1991) month=m;day=d;year=y; void print() coutmonth/day/yearendl; private: int month; int day; int year;void main() Tdate a,b,c; (4,12,1996); (3); (8,10); (); (); (); /* Note:Your choice is C IDE */#includeclass cube public: in

16、t volume(int ht,int wd) return ht*wd; int volume(int ht,int wd,int dp) return ht*wd*dp; private: int ht,wd,dp;void main() cube c; cout(10,20)endl; cout(10,20,30)endl; /* Note:Your choice is C IDE */#include class queue/*默认私有*/ int q100; int sloc,rloc; public: queue(); void qput(int i); int qget();qu

17、eue:queue() sloc=rloc=0; coutqueue initializedendl;void queue:qput(int i) if(sloc=100) coutqueue is fullendl; return; sloc+; qsloc=i;int queue:qget() if(rloc=sloc) coutqueue is emptyendl; return 0; rloc+; return qrloc;void main() queue a,b; (10); (20); (20); (19); cout() ; cout()n; cout() ; cout()n;

18、/* Note:Your choice is C IDE */#include class test private: int num; float f1; public: test(); test(int n,float f); int getint() return num; float getfloat() return f1; ;test:test() coutInitializing defaultendl; num=0; f1=; test:test(int n,float f) coutInitializingn,fendl; num=n; f1=f; void main() t

19、est x; test y(10,; test *px=new test; test *py=new test(10,;/* Note:Your choice is C IDE */#include class Tdate public: Tdate(int m=5,int d=16,int y=1990) month=m;day=d;year=y; coutmonth/day/yearendl; private: int month; int day; int year;void main() Tdate aday; Tdate bday(2); Tdate cday(3,12); Tdat

20、e dday(1,22,1998);/* Note:Your choice is C IDE */#include #include using namespace std;class Student public: Student(char *pName) coutcall one parameter constructorendl; strncpy(name,pName,sizeof(name); namesizeof(name)-1=0; coutthe name is nameendl; Student() coutcall no parameter constructorendl;

21、protected: char name20;void main() Student noName; Student ss(Jenny); /* Note:Your choice is C IDE */#includeusing namespace std;class test private: int num; float f1; public: test(); test(int n,float f); int getint() return num; float getfloat() return f1; ;test:test() coutInitializing defaultendl;

22、 num=0; f1=; test:test(int n,float f) coutInitializingn,fendl; num=n; f1=f; void main() coutthe main function:endl; test array5; coutthe second element of array is array1.getint(),array1.getfloat()endl; /* Note:Your choice is C IDE */#includeusing namespace std;class test private: int num; float f1;

23、 public: test(int n); test(int n,float f);inline test:test(int n) coutInitializingtnendl; num=n; test:test(int n,float f) coutInitializingtn,fendl; num=n; f1=f; void main() test array13=1,2,3; test array2=test(2,test(4); test array3=test,test(7,; test array4=test,; /* Note:Your choice is C IDE */#includeusing namespace std;class test private: int num; float f1; public: test(int n); test(int n,float f);inline test:test(int n) coutInitializingtnendl; num=n; test:test(int n,float f) coutInitializingtn,fendl; num=n; f1