C++程序设计课程设计说明书

1、c+程序设计课 程 设 计 说 明 书题目名称：学生学号：学生姓名：指导老师：2011年3月目 录第一部分 基础程序1一、程序代码1二、运行结果及分析16第二部分 综合问题20一、需求分析20二、设计21三、编码与调试22四、结果分析23五、参考资料24六、总结25第一部分 基础程序一、 程序代码(1) #include using namespace std;const int max=100;void main()int smax,i,x,q,n=10; cout输入个有序数列endl;for(i=0;isi;cout数列为: ;for(i=0;in;i+)coutsi ; coutx;f

2、or(i=0;in;i+) if(x=q;i-) si+1=si; sq=x; cout输出n个有序数列为; for(i=0;in;i+) coutsi ; (2) #include using namespace std;const int max=100;void main()int smax,i;int sum=0; cout输入个数endl; for(i=0;isi;cout数列为: ;for(i=0;i20;i+)coutsi; for(i=0;i20;i+)if(si%2=0)coutsi ; sum=si+sum; cout和为sum; (3) #include using na

3、mespace std;int lj(int i);void main () int result=0,n,i; cout1+(1+2)+(1+2+3)+(1+2+.+n);cout 输入n:n;for(i=1;i=n;i+)result=lj(i)+result;cout和为resultendl;int lj(int i) int sum=0,a;for(a=1;a=i;a+) sum=sum+a;return sum; (4) #include using namespace std;double ss(int n);void main ()int i;cout50-100的素数有:; f

4、or(i=50;i=100;i+)if(ss(i) couti ;double ss(int n)int i;for(i=2;in;i+)if(n%i=0)break;if(i=n)return 1;else return 0;(5) #include using namespace std;const int max=100;double aveage(int s);void main()int smax,i;double ave; coutenter 10 students score;for(i=0;isi;ave=aveage(s);cout ave is:aveendl;double

5、 aveage(int s)int ave=0,i;for(i=0;i10;i+)ave=ave+si;return double (ave)/10;(6) #include using namespace std;double leg(char str);void main () char str81; cout str; leg(str); coutstr;double leg(char str) int n,i,temp;n=strlen(str);for(i=0;in/2;i+) temp=stri; stri=strn-1-i; strn-1-i=temp;return *str;(

6、7)#include using namespace std;const int max=100;void main ()int n=10; int*p,smax,*max,*min;int sum=0;double ave;coutenter n numbers;for(p=s;p*p;coutnumber is: ;for(p=s;ps+n;p+)cout*p ;coutendl;max=s;min=s; for(p=s;p*max)max=p; for(p=s;ps+n;p+)if(*p*min)min=p; coutmax is *maxendl;coutmin is *minendl

7、; for(p=s;ps+n;p+)sum+=*p; ave=(1.0*sum)/n;coutaveage is aveendl;(8) #include using namespace std;const int max=100;void main() char str181,str281; char *p,*q; cout enter a stringstr1; coutenter another stringstr2; for(p=str1;*p!=0;p+); for(q=str2;*p=*q;p+,q+); coutstr1endl;(9) #include using namesp

8、ace std;class scoreprivate:int number; int computer;int english; double average;public: void inscore(double xx,double yy ,double zz); void showscore();void score:inscore(double xx,double yy,double zz)number=xx; computer=yy;english=zz;average=(english+computer)/2.0;void score:showscore()coutnumber co

9、mputer englishendl;coutnumber computer englishendl;coutaverage is : averageendl;void main()int x,y,z;int x1,y1,z1; score stu1,stu2,*p=&stu2;coutenter number and computer score .english scorexyz;coutenter another number and computer score .english scorex1y1z1; stu1.inscore(x,y,z);stu1.showscore(); st

10、u2.inscore(x1,y1,z1);p-showscore(); (10) #includeusing namespace std;class studentint num; char sname50; double score;public:void setdata();void display();double getscore()return score;void student:setdata()coutenter students number：num;coutenter students name：sname;coutenter the score：score;void st

11、udent:display()coutnumber name score endl;coutnum sname scoreendl;class manageint i,num;student s80;public: void input(int n); void sort(); void output();void manage:input(int n)num=n;for(i=0;inum;i+) si.setdata();void manage:sort() student temp; int pos,j;for(i=0;inum;i+)pos=i;for( j=i;jspos.getsco

12、re()pos=j;if(pos!=j)temp=spos;spos=si;si=temp;void manage: output()sort();for(i=0;inum;i+)si.display();void main()int n;manage m;couthow many students do you want to enter：n;m.input(n);m.output(); (11) #include#includeusing namespace std;class objectpublic:char name50;int number;class book:public ob

13、jectprivate:char autour50;public:void set(); void display();void book:set()cout书名:name;cout作者:autour;void book:display()cout书名: ;coutnameendl;cout作者: ;coutautourendl;cout书号: ; coutnumberendl;class reader:public objectprivate:int max;public:void set(); void display();void reader:set()cout读者姓名:name; c

14、out最多借书数量:max;void reader:display() cout读者姓名: ; coutnameendl; cout借书证号: ; coutnumberendl; cout最多借书数量: ; coutmaxendl;void main()book p;reader q;coutp.number;p.set();p.display();coutq.number;q.set();q.display();(12)#include#includeusing namespace std;const double pi=3.14;class shapepublic:virtual doub

15、le area()=0;class square:public shapepublic:square(int m);double area();private:int n;square:square(int m)n=m;double square:area()return n*n;class circle:public shapepublic:circle(double r);double area() ;private:double radius;circle:circle(double r)radius=r;double circle:area() return pi*radius*rad

16、ius;class chang:public shapepublic:chang (int a,int b);double area();private:int x;int y;chang:chang(int a,int b)x=a;y=b;double chang:area()return x*y;class triangle:public shapepublic:triangle(double x,double y,double z) ;double area();private:double a;double b;double c;triangle:triangle(double x,d

17、ouble y,double z)a=x;b=y;c=z;double triangle:area()double m,s;m=(a+b+c)/2;s=sqrt(m*(m-a)*(m-b)*(m-c);return s;void main() int a,b,c,d,e,f,g; cout a; shape *s=new square(a); cout正方形面积:area()endl;delete s; cout b; shape *p=new circle(b);cout圆面积:area()endl; delete p; cout cd;shape *c=new c24hang(c,d);c

18、out长方形面积:area()endl; delete c; cout efg;shape *t=new triangle(e,f,g);cout三角形面积:area()endl;delete t;(13) #includeconst int maxsize=100;templatevoid sort(t s,int n);void main()int i,n;int smaxsize;char m20;coutn;coutenter n numbersn;for(i=0;isi;sort(s,n);coutsorted numbers:endl;for(i=0;in;i+)coutsi ;c

19、outendl;coutn;coutenter n string:n;for(i=0;imi; sort(m,n);coutsorted char:endl;for(i=0;in;i+)coutmi ; coutendl;templatevoid sort(t s,int n)int i,j,pos;for(i=0;in-1;i+)pos=i;for(j=i;jspos)pos=j;if(pos!=i)t t; t=si;si=spos;spos=t;(14) #include#includeusing namespace std;void main()char str100;int i=0;

20、ifstream data(data.txt,ios:in);ofstream data1(data1.txt,ios:out);if(!data)cerrcannor open file!endl;abort();while(!data.eof()data.getline(str,100);data1+itstrendl;coutstrendl;data.close();data1.close();cout共ishowscore();”结果：enter number and computer score .english score1 99 100enter another number a

21、nd computer score .english score2 78 98number computer english1 99 100average is : 99.5number computer english2 78 98average is : 88press any key to continue第十题：分析：enter number and computer score .english score1 99 100enter another number and computer score .english score2 78 98number computer engli

22、sh1 99 100average is : 99.5number computer english2 78 98average is : 88press any key to continue第十一题：分析：输入书号:1书名:sheeeeee作者:cong书名: sheeeeee作者: cong书号: 1输入借书证号:2008读者姓名:bin最多借书数量:5读者姓名: bin借书证号: 2008最多借书数量: 5press any key to continue第十二题：分析：输入正方形边长 2正方形面积:4 输入 圆半径 2圆面积:12.56 输入 长， 宽 2 3长方形面积:6 输入三条边 3 4 5三角形面积:6press any key to continue第十三题：分析：enter a numbers:2enter 2 numbers1223sorted numbers:23 12enter a numbes:2enter 2 string:d gsorted char:g dpress any key to continue第十四题：分析：要新建 data。txt文件夹congbin共 2 行press any key to continue第二部分 综合问题一、需求分析需求分析即问题的描述，根据设计题目的要求，充分地分析和理解问题，明确问题要求做什么