C程序设计教程修订版设计思想与实现习题解答钱能

C程序设计教程修订版设计思想与实现习题解答钱能Standardization of sany group #QS8QHH-HHGX8Q8-GNHHJ8-HHMHGN#二#include <>void main(){ .#include <> #include <>double Cylinder(double r,double h); void main(){double radius, height;cout <<"请输入圆柱体的半径和高:\n";cin >>radius >>height;double volume = Cylinder(radius, height); cout <<"该圆柱体的体积为" <<volume <<endl;}double Cylinder(double r, double h){return r*r*M_PI*h;}三(1)sqrt(pow(sin(x),)(2)(a*x+(a+x)/(4*a))/2pow(c,x*x)/sqrt(2*M_PI) n"; break; case 1: cout <<"只能被7 整除.\n"; break; case 2: cout <<"只能被5 整除.\n"; break; case 3: cout <<"可以被5,7 整除.\n"; break; case 4: cout <<"只能被3 整除.\n"; break; case 5: cout <<"可以被3,7 整除.\n"; break; case 6: cout <<"可以被3,5 整除.\n"; break;case 7: cout <<"可以被3,5,7 整除.\n";break; } }#include <>void main(){int grade; cout<<"please input a number:\n";cin >>grade;if(grade>100||grade<0)cout <<"错误的成绩.\n";elseif(grade>=90)cout <<"A.\n";elseif(grade>=80)cout <<"B.\n";elseif(grade>=70)cout <<"C.\n";elseif(grade>=60)cout <<"D.\n";else cout<<"E.\n";}四1#include <> #include <>void main(){double sum=1, t=-1, x; int i=1; cout <<"please input a value:\n"; cin >>x; do{ t*=(-1)*x/i; sum+=t; i++; }while(fabs(t)>1e-8);cout <<"sum=" <<sum<<endl;}2#include <>#include <> voidmain(){double sum=1, t=-1, x; cout <<"please input a value:\n"; cin >>x; int i=1; while(fabs(t)>1e-8){ t*=(-1)*x/i; sum+=t; i++; } cout <<"sum=" <<sum<<endl;}3#include <>#include <> voidmain(){double sum=1, t=-1, x; cout <<"please input a value:\n"; cin >>x; for(int i=1; fabs(t)>1e-8; i++){t*=(-1)*x/i;sum+=t; } cout<<"sum=" <<sum<<endl;}#include <>void main(){long sum=0, t=1;for(int i=1; i<=15;i++){ t*=i;sum+=t; } cout<<"sum=" <<sum <<endl;}#include <>void main(){for(int i=1; i<=9; i++)for(int j=0; j<=9; j++)for(int k=0; k<=9; k++)if(i*i*i+j*j*j+k*k*k ==100*i+10*j+k)cout <<(100*i+10*j+k) <<"是水仙花数.\n"; }#include <>void main(){for(int i=1; i<1000;i++){ int sum=0;for(int j=1; j<=i/2;j++) if(i%j==0) sum+=j; if(sum==i) cout <<i<<"是完数.\n";}}#include <>void main(){float s=100,h=100;for(int i=1;i<10;i++){ s+=h;h/=2;}cout <<"共经过" <<s <<"米第10 次反弹" <<h <<"米高.\n"; }#include <> voidmain(){ intpeachs=1;for(inti=1; i<10;i++)peachs=(peachs+1)*2;cout <<"第一天共摘下" <<peachs <<"个桃子.\n"; }#include <> #include <>void main(){double x, a; cout<<"please input avalue:\n"; cin >>a; x= a/2; while(fabs((x-a/x)/2)>1e-7)x=(x+a/x)/2;cout <<a <<"的平方根是" <<x <<endl;}1#include <>void main(){for(int i=1; i<=10;i++){ for(int j=1;j<=10-i; j++)cout <<" ";for(int j=1; j<=2*i-1;j++) cout <<"#"; cout <<endl;}}2#include <>void main(){ for(int i=1; i<=8;i++){ for(int j=1;j<=i; j++) cout<<" "; for(int j=1;j<=18-i; j++)cout <<"#"; cout<<endl;}}1#include <> #include <>void main(){cout <<" *";for(int i=1; i<=9;i++) cout<<setw(4) <<i;cout <<"\n-----------------------------------------\n"; for(inti=1; i<=9; i++){ cout <<setw(3)<<i; for(int j=1; j<=9; j++) cout <<setw(4) <<i*j; cout<<endl;}}2#include <> #include <>void main(){cout <<" *";for(int i=1; i<=9;i++) cout<<setw(4) <<i;cout <<"\n-----------------------------------------\n"; for(inti=1; i<=9; i++){ cout <<setw(3)<<i; for(int j=1; j<=i; j++) cout <<setw(4) <<i*j; cout<<endl;}}3#include <>#include <> voidmain(){ cout <<"*";for(inti=1; i<=9;i++)cout<<setw(4)<<i;cout <<"\n-----------------------------------------\n"; for(int i=1; i<=9; i++){ cout <<setw(3) <<i; if(i!=1)cout <<setw(4*i-4)<<" "; for(int j=i;j<=9; j++) cout<<setw(4) <<i*j;cout <<endl;}}#include <>void main(){ int n; long a=1, b=1,c=1, temp; cout<<"please input avalue:\n"; cin >>n;for(int i=4; i<=n;i++){ temp=a+c; a=b;b=c; c=temp;} cout <<c <<endl;}五#include <>#include <>#include <> boolisprime(long n);void main(){.}.}(2) <<a[i] <<" boy has won.\n"; <<a[i] <<"boy has won.\n"; n";cout <<"please select followingoperation:\n";cout <<"\t\tstop at once! -----1\n"; cout <<"\t\tinput again.------- 2\n"; cout <<"\t\tasdefault values -- 3\n\n"; intsele=0; cin >>sele;switch(sele){ case 1: return false; case 2: sign=false; break; case 3: num=10; interval=3; return true;}(3)#include <> const size=10;void findmax(int* a, int n,int& pk); void main(){ inta[size];int n=0;cout <<"please input " <<size<<"datas:\n"; for(int i=0;i<size; i++) cin >>a[i]; findmax(a,size,n); cout <<"the maximum is " <<a[n] <<endl<<"It's index is " <<n <<endl; }void findmax(int* a,int n,int& pk){ for(int i=1;i<n; i++)if(a[i]>a[pk])pk=i;}9_2#include <> #include <>int& put(int n); .put(9)=30;cout <<get(0)<<endl; cout<<get(1) <<endl;cout <<get(9) <<endl; put(12)=1; . }int& put(int n){if(n>=10){ cerr <<"rangeerror in put value!\n";exit(1); }returnvals[n];}int get(int n){if(n>=10){ cerr <<"range error in get value!\n"; exit(1); } return vals[n];}#include <>void Swap(char*& str1, char*& str2); void main(){char* ap="hello";char* bp="how are you";cout <<ap <<endl <<bp<<endl; Swap(ap, bp);cout <<"交换以后:\n"; cout<<ap <<endl <<bp <<endl;}void Swap(char*& str1, char*& str2) { char*temp=str1;str1=str2;str2=temp;}一○#include <>structStudent{ intmathmidterm;int mathfinal;};void main(){Student s;cout <<"please input midterm andfinal math\n" <<"grade of astudent:\n"; cin >> >>;cout <<"the average grade of midterm and final math is "<< + / <<endl;10_2#include <>#include <>structNode{ charstr[20]; Node*next;};void Insert(Node*& head); void main(){Node* p;Node* x=new Node; strncpy(x->str,"hello",20);x->next = NULL; p =x; x=new Node; strncpy(x->str,"jone",20); x->next = p; p=x;x=new Node;strncpy(x->str,"good",20); x->next = p; p=x;x=new Node;strncpy(x->str,"better",20); x->next = p; p=x; cout <<"\n 插入之前:\n"; for(Node* pT=p; pT; pT=pT->next) cout <<pT->str <<"->"; cout <<"0\n"; Insert(p);cout <<"\n 插入之后:\n";for(Node* pT=p; pT; pT=pT->next) cout <<pT->str<<"->";cout <<"0\n";}void Insert(Node*& head){Node* p=new Node;strncpy(p->str,"marit",20);head->str[19]='\0';if(!head){ head =p; p->next = NULL;return; }if(!strcmp(head->str,"jone")){ p->next =head; head = p;return; } Node* sp;for(sp=head; sp->next&& strcmp(sp->next->str,"jone"); sp=sp->next); p->next = sp->next;sp->next = p;}10_3#include <> structNode{char c;Node* next;};Node* reverse(Node* head);void main(){Node x[4]; for(int i=0; i<4;i++){ x[i].c='A'+i;cout <<x[i].c <<"->";x[i].next = &x[i+1]; } cout<<"NULL" <<endl; x[3].next = NULL; Node* head = reverse(x); for(Node* pH=head; pH; pH=pH->next) cout <<pH->c <<"->"; cout <<"NULL" <<endl;}Node* reverse(Node* head){Node* newHead=NULL; for(Node* pT=head; pT; pT=head){ head=head->next; pT->next = newHead; newHead = pT; } return newHead;}10_4 (1)#include <>struct Lnode{double data;Lnode* next;};void ShowList(Lnode* head){ for(Lnode* p=head; p;p=p->next) cout <<p->data <<endl;}void AddToEnd(Lnode* pnew, Lnode*& head) {if(!head)head=pnew;else{Lnode* p; for(p=head;p->next; p=p->next); p->next = pnew;}pnew->next=NULL;}Lnode* GetNode()Lnode* item = new Lnode;if(item){ item->next=NULL; item->data=; }else cout<<"Nothing allocated\n"; return item;}void main(){Lnode* head=NULL; Lnode* temp; double d; cout <<"data "; cin >>d; while(d>0&&(temp=GetNode())){ temp->data=d; AddToEnd(temp, head); cout <<"data "; cin >>d; }ShowList(head);(2)data 3data 5data 7data 6data 4data 8data -3 357648(3)#include <>struct Lnode{double data;Lnode* next;};void ShowList(Lnode* head); void AddToEnd(Lnode* pnew, Lnode*& head); Lnode* GetNode(); void DeleteList(Lnode* head); void main() {Lnode* head=NULL;Lnode* temp; double d;cout <<"data "; cin >>d;while(d>0&&(temp=GetNode())){ temp->data=d; AddToEnd(temp, head);cout <<"data ";cin >>d; }ShowList(head);DeleteList(head);}void ShowList(Lnode* head) { if(head){cout<<head->data<<endl;if(head->next)ShowList(head->next);n";();}11_3#ifndef DATE#define DATE#include <>classDate{ public:void Display();void AddOneDay();void SetDay(int y,intm,int d); protected:bool Legal(int y, int m,int d); boolIsLeapYear(int y);int year; int month;int day;};void Date::Display(){cout <<day <<"/" <<month <<"/" <<year <<endl; }void Date::AddOneDay(){if(Legal(year,month,day+1))day++;else if(Legal(year,month+1,1))month++,day=1;else if(Legal(year+1,1,1))day=1,month=1,year++;}void Date::SetDay(int y, int m, int d) {if(Legal(y,m,d))day=d, month=m, year=y;}bool Date::Legal(int y, int m, int d){if(y>9999||y<1||d<1||m<1||m>12) return false;int dayLimit=31;switch(m) case 4: case 6: case 9: case 11: dayLimit--; if(m==2) dayLimit = IsLeapYear(y) 29 : 28;return (d>dayLimit) false : true;}bool Date::IsLeapYear(int y){return !(y%4)&&(y%100)||!(y%400);}#endif11_4 #include ""void main(){Time a;(3,32,48);();}11_5#include <> #include "" void main(){Stack sta;(10); (12);(14); cout <<()<<endl; cout <<()<<endl;}n";}n"; exit(1); } int result = head->a; Node* p = head; head = head->next; delete p; return result;}Constructing with a number: 20 Display a number:1 Display a number:20 Destructing.Destructing.12_2 ,"Revere","CA","12290"); ();("Richard Voss"); ();}物质一三13_1有机物生物动物哺乳动物人类猿类猫科类...卵生动物植物非生物无机物13_2Ignore一四14_1Multi[0] is:0Multi[1] is:1Multi[2] is:4Multi[3] is:9Multi[4] is:16Multi[5] is:25Multi[6] is:36Multi[7] is:49Multi[8] is:64Multi[9] is:81 Destroying..9 Destroying..8 Destroying..7 Destroying..6 Destroying..5 Destroying..4 Destroying..3 Destroying..2 Destroying..1 Destroying..014_2#include <> #include <> class Vector{ public: Vector(int s=100); Vector(const Vector& v); int& Elem(int ndx); void Display(); voidSet(); ~Vector();protected: intsize; int* buffer;};Vector::Vector(int s){buffer=new int[size=s];for(int i=0; i<size; i++)buffer[i]=i*i;}Vector::Vector(const Vector& v):size {buffer = newint[size]; for(inti=0; i<size; i++)buffer[i] = [i];}int& Vector::Elem(int ndx) {if(ndx<0||ndx>=size){ c out <<"error in index"<<endl;exit(1);} returnbuffer[ndx];}void Vector::Display(){ for(int j=0;j<size; j++)cout <<buffer[j] <<endl; }void Vector::Set(){ for(int j=0;j<size; j++)buffer[j]=j+1;}Vector::~Vector(){ delete[]buffer; } void main(){Vector a(10);Vector b(a);();();}14_2.\n"; (6);cout <<"Creating boots fromfrisky\n"; CAT boots(frisky);cout <<"frisky's age:" <<() <<endl; cout <<"boots'age:" <<() <<endl;cout <<"setting frisky to 7...\n"; (7);cout <<"frisky's age:" <<() <<endl; cout <<"boots'age:" <<() <<endl;}一五15_1 (1)Return\n"<<"1. Savings business\n"<<"2. Checkingbusiness\n\n"<<"select : "; cin >>sele;if(sele==1||sele==2)DoAccess(sele); if(sele==0) break; } Return\n"<<"1.Fetching\n"<<"2. Saving\n\n"<<"select : ";cin >>sele;if(sele==1||sele==2)if(s==1)DoSavings(sele);elseDoChecking(sele);if(sele==0)break; }Return\n"<<"1. Savings business\n"<<"2. Checking business\n" <<"3. Credit business\n\n"<<"select : "; cin >>sele;if(sele>=1 && sele <=3) DoAccess(sele); }Account* p=Account::First(); Return\n"<<"1. Fetching\n"<<"2. Saving\n\n" <<"select : "; cin >>sele; if(sele!=1 && sele!=2)continue; switch(type){ case 1: DoSavings(sele); break;case 2: DoChecking(sele); break;case 3: DoCredit(sele); break;}}}void DoSavings(int access){unsigned aN; float val; if(access==2){ n";cout <<"\nplease input a account number and amount for fetching(input 0 for end):\n"; cin >>aN >>val;}}}void DoChecking(int access){unsigned aN;float val;if(access==2){ n";cout <<"\nplease input a account number and amount for fetching(input 0 for end):\n"; cin >>aN >>val;}}}void DoCredit(int access){unsigned aN;float val;if(access==2){ n";cout <<"\nplease input a account number and amount for fetching(input 0 for end):\n"; cin >>aN >>val;}}}16_5#include <>#include "i:\c++答案\ch16\" #include"i:\c++答案\ch16\"#include "i:\c++答案\ch16\"#include "i:\c++答案\ch16\16_4\"#include ""void DoSavings(intaccess); voidDoChecking(intaccess); voidDoAccess(int type);void DoCredit(intaccess);void DoFixed(int access);void main(){ intsele=1;while(sele){cout <<"\nbank management\n\n" <<"0. Return\n"<<"1. Savings business\n"<<"2. Checking business\n"<<"3. Credit business\n"<<"4. Fixed business\n\n"<<"select : ";cin >>sele;if(sele>=1 && sele <=4) DoAccess(sele); }Account* p=Account::First();Return\n"<<"1. Fetching\n"<<"2.Saving\n\n"<<"select : ";cin >>sele;if(sele!=1 && sele!=2) continue;switch(type){case 1: DoSavings(sele);break; case 2:DoChecking(sele); break;。