高潮主编程序编程题答案C++.doc

2-6 对n（0）个人进行分班，每班k（0）个人，最后不足k人也编一班，写出能编班数的表达式。#include using namespace std;void main ()int n,k;coutn;coutk;coutn=nnk=kendl;if(n%k=0)cout一共有n/k个班n每个班的人数为：kendl;elsecout一共有n/k+1个班其中有一个班的人数为：n%kn其他每个班的人数为：kendl;3-1 #include #include using namespace std;void main()double y,x;coutx;if(x5)y=fabs(x); else if(x20)y=3*x*x-2*x+1; elsey=x/5;couty的值为：yendl;3-2#include #include using namespace std;void main()double a,b,c,y;cout方程式为：a*x*x+b*x+c=0nabc;couta=anb=bnc=cendl;y=b*b-4*a*c;if(y0)cout方程无解;else if(y=0)cout方程的解为：-b/(2*a);elsecout方程的解为：(-b+sqrt(y)/2*an(-b-sqrt(y)/2*aendl;3-3#include using namespace std;void main ()double p,s;couts;while(s0)cout你输入的工资数目有误，请正确的数目：s;int k=s/1000;switch(k)case 0: p=0;couts-s*pendl;break;case 1: p=0.05;couts-s*pendl;break;case 2:case 3:case 4: p=0.08;couts-s*pendl;break;case 5:case 6:case 7: p=0.15;couts-s*pendl;break;default:p=0.20;couts-s*pendl;3-4#include using namespace std;void main ()int n=1;double x,sum;x=1;sum=1;while (1/x=1e-6)x=x*n;n+;sum+=1/x;coutsumendl;3-5#include using namespace std;void main ()int a,b,c,i,n;coutn;a=1;b=2;i=0;double sum=0;while(in)break;sum+=x; c=a+b;i+;sign=1; if(i%2=0) sign=-1;y=sign*c/b;sum+=y; if(in)break; b=a+c;i+;sign=1; if(i%2=0) sign=-1;z=sign*b/a;sum+=z; a=c+b;coutsumendl;3-5 #include using namespace std;int f(int);void main()double i,n=20,b=1;double sigh=1;double sum=0;for(i=1;i=n;i+)sum=sum+(b+f(i)/b)*sigh;sigh=-sigh;b=(b+f(i);cout前20项和为:sumendl;int f(int a)double y1=1,y2=1,y,j;if(a=1) return y1;else if(a=2)return y2;else for(j=3;j=a;j+)y=y1+y2;y1=y2;y2=y;return y;或#include using namespace std;double f(int n)double a,b,c,i,y;a=1;b=2;if(n=1)y=a;return(y);else if(n=2)y=b;return(y);else for(i=3;i=n;i+)c=a+b;a=b;b=c;y=c;return(y);double g(int n)double a,b,c,i,y;a=2;b=3;if(n=1)y=a;return(y);else if(n=2)y=b;return(y);else for(i=3;i=n;i+)c=a+b;a=b;b=c;y=c;return(y);void main()double n=20,sum=0,sign=1;for(int i=1;i=20;i+)sum+=g(i)/f(i)*sign;sign=-sign;cout这个数列的前20项之和为：sumendl; 3-6#include using namespace std;void main ()int n; cout所求水仙花数为:endl;for(n=100;n1000;n+)int a,b,c;a=n/100;b=(n-100*a)/10;c=n-100*a-10*b;if(n=a*a*a+b*b*b+c*c*c)coutnendl;或#include #include using namespace std;void main ()int n; cout所求水仙花数为:endl;for(n=100;n1000;n+)int a,b,c;a=n/100;b=(n-100*a)/10;c=n-100*a-10*b;if(n=pow(a,3)+pow(b,3)+pow(c,3)coutnendl;3-7#include using namespace std;void main ()int n,i;i=0; cout各个数位的数字之和等于11的数为:endl;for(n=100;n1000;n+)int a,b,c,d;a=n/100;b=(n-100*a)/10;c=n-100*a-10*b;d=a+b+c;if(d=11)i+;coutn ;if(i%5=0)coutendl;coutendl这样的整数的个数为：iendl;3-8#include using namespace std;void main() int d,n,x,y; for(d=0;d10;d+) for(n=0;n13;n+) x=36-d-n; y=4*d+3*n+x/2; if(y=36&x%2=0) cout男人的数量为:dn女人的数量为：nn 小孩的数量为：xendl; 3-9#include using namespace std;void main() int i,a; cout1000以内的所有完数分别是：endl; for(i=1;i1000;i+) int sum=0; for(a=1;a=i;a+) if(i%a=0) sum+=a; if(sum=i) coutsumendl; 3-11#include using namespace std;int f(int x,int y)int a;a=x*y;return(a);int g(int x,int y)int a=21,b,t;if(xy)b=(a*y)/(x*y);elseb=(a*x)/(x*y);return(b);void main()cout一共能听到鞭炮声的次数是：f(3,21)-g(5,6)-g(6,7)-g(5,7)endl;4-1#include using namespace std;int f(int a,int b)int i,y;for(i=1;i=a;i+)if(a%i=0&b%i=0)y=i;return(y);int g(int a,int b)int c,d,y,s,i; s=1;for(i=1;i=a;i+)c=a%i;d=b%i;if(c=0&d=0)a=a/i;b=b/i; s=s*i;i=1; y=a*b*s; return(y); void main()int a,b;cout请输入两个整数:ab;couta和b的最大公约数为：f(a,b)endl;couta和b的最小公倍数为：g(a,b)endl;4-2#include using namespace std;#define PI 3.1416float l(float r)float a;a=2*PI*r;return(a);float s(float r)float a;a=PI*r*r;return(a);void main()int r;cout请输入圆的半径大小数值：r;cout半径为r的圆的周长为：l(r)endl半径为r的圆的面积为：s(r)endl;4-3#include using namespace std;void main()int x,y;int getPower(int,int);cout计算x的y次幂，请你输入x和y的值：xy;coutx的y次幂等于：getPower(x,y)endl;int getPower(int x,int y)int i,a;a=1;for(i=1;i=y;i+)a*=x;return(a);4-4#include #include using namespace std;void main()double a,b,c;double area(double,double,double);cout请输入三角形的各边边长值：abc;while(a+bc&b+ca&a+cb)cout你输入的边长值不符合（a+bc&b+ca&a+cb）要求，请重新输入：abc;cout所求的三角形的面积为：area(a,b,c)endl;double area(double j,double k,double l) double s,y,f;s=(j+k+l)/2;y=s*(s-j)*(s-k)*(s-l);f=sqrt(y);return(f);4-5#include using namespace std;void main()int i,n;double x,sum;sum=1;n=1;cout请输入x的值：x; double f(double,int);for(i=1;f(x,n)1e-6;i+)n=i;sum+=f(x,n);coute的x次方等于：sumendl;double f(double x,int n)double c,s,j,y;j=1;s=1;for(c=1;c=n;c+)s*=x; j*=c;y=s/j; return(y);5-1#include using namespace std;void main()int a23,i,j;cout请你输入要求和的数：endl;for(i=0;i2;i+)for(j=0;jaij;for(i=0;i2;i+)for(j=0;j3;j+)coutaij=aij ;coutendl;int sum=0; for(i=0;i2;i+)for(j=0;j3;j+)sum+=aij; cout这个数组所有元素的和是：endlsumendl;5-2#include using namespace std;void main()int a33,i,j;cout请你输入要求和的数：endl;for(i=0;i3;i+)for(j=0;jaij;for(i=0;i3;i+)for(j=0;j3;j+)coutaij=aij ;coutendl;int sum1=0;for(i=0;i3;i+)for(j=0;j3;j+)if(j=i) sum1+=aij;int sum2=0;for(i=0;i3;i+)for(j=0;j3;j+)if(j=2-i&j!=i)sum2+=aij; cout这个矩形方阵中两条对角线上的元素之和为：sum1+sum2endl;5-3#include using namespace std;void main()int a33,i,j;cout请你输入要转置的矩阵的元素：endl;for(i=0;i3;i+)for(j=0;jaij;for(i=0;i3;i+)for(j=0;j3;j+)coutaij=aij ;coutendl; cout转置后的数组为:endl;int d33;for(i=0;i3;i+)for(j=0;j3;j+) dij=aji;coutdij ; coutendl;5-4#include #include using namespace std;void main() const int N=10;int aN,c; int f(int ,int ,int ); void bubble(int ,int );for(int i=0;iN;i+)ai=rand()/100;coutai ;coutendl; bubble( a, N); for(i=0;iN;i+)coutai ;coutendl;cout请输入一个你要找的数：c;if(f(a,N,c)=-1)cout无此数endl;else coutf(a,N,c)endl;int f(int b,int n,int x)int high,mid,low,find=-1;low=0;high=n-1;while(low=high)mid=(low+high)/2;if(xbmid) low=mid+1;elsefind=mid;break;return find;void bubble(int array,int n)int i,j,t;for(i=1;in-1;i+)for(j=0;jarrayj+1)t=arrayj;arrayj=arrayj+1;arrayj+1=t;5-5#include using namespace std;void main() char f(char);char a=njdeurolm.,n*jjhJ88*.lj,.*;f(a);char f(char s ) int i;couts=;for(i=0;si!=0;i+)if(si!=*&si!=.)coutsi;coutendl;return 0;5-6不完善：#include using namespace std;void main()int a;void convert(int);cout请输入一个整数：a;convert(a);void convert(int n)int c;if(n%10!=0)c=n%10;n=n/10; convert(n); coutc+0;完善：#include using namespace std;void main()int a;void convert(int);cout请输入一个整数：a;convert(a);void convert(int n)int c;if(n%10!=0)c=n%10;n=n/10; convert(n); coutc+0;else if(n%10=0&n/10!=0)c=n%10;n=n/10;convert(n);coutc+0; 5-7#include using namespace std;void main()void reverse(char,int);char c10000;cout请输入一个字符串：endl;cout你输入的字符串是：c;int i=0;while(ci!=0|ci= )i+;cout逆序后的字符串为：endl;reverse(c,i);void reverse(char a,int n)char b10000;for(int i=0;in;i+)bi=an-i-1;coutbi;coutendl;5-8#include using namespace std;void main()void f(string,int);string str11000;cout请输入n个字符串：str1;int a=0;while(str1a!=0)a+;string a2;int c=0;for(int i=0;ia;i+)a2=str1i;while(a2i!=0)c+;f(a2,c);void f(string srt,int n)char a1;for(int i=0;isrti+1)a1=srti;srti=srti+1;srti+1=srti;coutsrtendl;5-9#includeusing namespace std;void main()char b1000000;void f(char ,int);cout请输入要统计的文字：endl;gets(b);int i=0;while(bi!=0)i+;f(b,i); void f(char a,int n) int b=0,c=0,d=0,e=0, g=0; for(int i=0;in;i+) if(47ai&ai58) b+; else if(ai= ) d+; else if(64ai&ai91) c+; else if(96ai&ai123) e+; else if(ai=0) break; else g+; cout你输入的文字中，英文大写字母的个数是：cendl英文小写字母的个数是：eendl 数字的个数是：bendl空格的个数是：dendl其他字符的个数是：gendl; 6-1#includeusing namespace std;void main()int b33;void f(int 3,int);cout请输入要转置的方针：endl;for(int i=0;i3;i+)for(int j=0;j*(*(b+i)+j);coutendl; f(b,3);void f(int a3,int n) cout转置后的矩形方阵为：endl;for(int i=0;in;i+)for(int j=0;jn;j+)cout*(*(a+j)+i) ;coutendl;6-2#includeusing namespace std;void main()int b33;void f(int 3,int);cout请输入一个：endl;for(int i=0;i3;i+)for(int j=0;j*(*(b+i)+j);coutendl;cout输入的矩阵为：endl; for(i=0;i3;i+)for(int j=0;j3;j+)cout*(*(b+i)+j) ;coutendl; f(b,3);void f(int a3,int n)int sum=0;for(int i=0;in;i+)for(int j=0;jn;j+)if(i=0|i=n-1|j=0&i!=0&i!=n-1|j=n-1&i!=0&i!=n-1)sum+=*(*(a+i)+j);cout矩阵所有靠外侧的元素之和为：sumendl;6-3#include#includeusing namespace std;void main()int b43,*p;p=b0;void f(int 3,int);cout请输入一个二维数组：endl;for(int i=0;i4;i+)for(int j=0;j*(p+i*3+j);coutendl;cout输入的二维数组为：endl; for(i=0;i4;i+)for(int j=0;j3;j+)coutsetw(5)*(*(b+i)+j);coutendl; f(b,4); cout排序后的数组为：endl; for(i=0;i4;i+)for(int j=0;j3;j+)coutsetw(5)*(*(b+i)+j);coutendl;void f(int a3,int n)int b=0,t;for(int i=1;i3*n;i+)for(int j=0;j*(a0+j+1)t=*(a0+j);*(a0+j)=*(a0+j+1);*(a0+j+1)=t;b+;if(b=0)break;6-4#include using namespace std;void main() char f(char *s);char *p,a=njdeurolm.,n*jjhJ88*.lj,.*; p=a;f(p);char f(char *s ) int i=0;while(*(s+i)!=0)if(*(s+i)!=*)cout*(s+i);i+;coutendl;return 0;6-5#include using namespace std;void main()void f(char*p,int);char a1000,*s;s=a;puts(请输入一个字符串：);gets(s);puts(输入的字符串是：);puts(s);for(int j=0;*(s+j)!=0;j+)j;puts(逆序存放后的字符串为：);f(s,j);cout=0;i-)cout*(p+i);6-6(1)#include using namespace std;void main()void strPartCopy(char*,char*);char str11000,str21000;puts(请输入一个字符串：);gets(str1);int n=0;while(*(str1+n)!=0)n+;cout所求字符串为：endl;for(int j=0;jn/2+n%2;j+)strPartCopy(str1,str2);cout*(str2+j);coutendl;void strPartCopy(char *a,char *b)int n=0;while(*(a+n)!=0)n+;int j=0;for(int i=1;in;i+=2)*(b+j)=*(a+i);j+;6-6(2)#include using namespace std;void main()char *strPartCopy(char*);char str11000;puts(请输入一个字符串：);gets(str1);int n=0;while(*(str1+n)!=0)n+;cout所求字符串为：endl;for(int c=0;cn/2+n%2;c+) cout*(strPartCopy(str1)+c);coutendl;char *strPartCopy(char *a)int n=0;