(完整版)谭浩强c程序设计课后习题答案

谭浩强c++程序设计课后答案

娄警卫

..

第一章

1.5题

#include using namespace std; int main() {

cout<<\ cout<<\ cout<<\ return 0; 1.6题

#include using namespace std; int main() {

int a,b,c; a=10; b=23; c=a+b;

cout<<\ cout<

1.7七题

#include using namespace std; int main() {

int a,b,c;

int f(int x,int y,int z); cin>>a>>b>>c; c=f(a,b,c);

cout<

int f(int x,int y,int z) {

int m;

if (x

return(m); }

1.8题

#include using namespace std; int main() {

int a,b,c; cin>>a>>b; c=a+b;

cout<<\ return 0; }

1.9题

#include using namespace std; int main() {

int a,b,c;

int add(int x,int y); cin>>a>>b; c=add(a,b);

cout<<\ return 0; }

int add(int x,int y) {int z; z=x+y; return(z); }

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第二章

2.3题

#include using namespace std; int main()

{char c1='a',c2='b',c3='c',c4='\\101',c5='\\116'; cout<

cout<<\ return 0; }

2.4题

#include using namespace std; int main()

{char c1='C',c2='+',c3='+';

cout<<\

cout<<\says: \\\is very interesting!\\\ return 0; }

2.7题

#include using namespace std; int main() {int i,j,m,n; i=8; j=10;

m=++i+j++;

n=(++i)+(++j)+m;

cout<

2.8题

#include using namespace std; int main()

{char c1='C', c2='h', c3='i', c4='n', c5='a'; c1+=4; c2+=4; c3+=4; c4+=4; c5+=4;

cout<<\

is:\ return 0; }

第三章

3.2题

#include #include using namespace std; int main ( )

{float h,r,l,s,sq,vq,vz;

const float pi=3.1415926; cout<<\ cin>>r>>h; l=2*pi*r; s=r*r*pi; sq=4*pi*r*r;

vq=3.0/4.0*pi*r*r*r; vz=pi*r*r*h;

cout<

cout<<\ cout<<\ cout<<\ cout<<\ cout<<\ return 0; }

3.3题

#include using namespace std; int main () {float c,f;

cout<<\请输入一个华氏温度:\ cin>>f;

c=(5.0/9.0)*(f-32); //注意5和9要用实型表示,否则5/9值为0 cout<<\摄氏温度为:\ return 0; };

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3.4题

#include using namespace std; int main ( ) {char c1,c2;

cout<<\请输入两个字符c1,c2:\

c1=getchar(); //将输入的第一个字符赋给c1

c2=getchar(); //将输入的第二个字符赋给c2

cout<<\用putchar函数输出结果为:\ putchar(c1); putchar(c2); cout<

cout<<\用cout语句输出结果为:\ cout<

3.4题另一解

#include using namespace std; int main ( ) {char c1,c2;

cout<<\请输入两个字符c1,c2:\

c1=getchar(); //将输入的第一个字符赋给c1

c2=getchar(); //将输入的第二个字符赋给c2

cout<<\用putchar函数输出结果为:\ putchar(c1); putchar(44); putchar(c2); cout<

cout<<\用cout语句输出结果为:\ cout<

3.5题

#include using namespace std; int main ( ) {char c1,c2;

int i1,i2; //定义为整型

cout<<\请输入两个整数i1,i2:\ cin>>i1>>i2; c1=i1; c2=i2;

cout<<\按字符输出结果为:\, \ return 0; }

3.8题

#include using namespace std; int main ( )

{ int a=3,b=4,c=5,x,y;

cout<<(a+b>c && b==c)<b) && !c||1)<

cout<<(!(x=a) && (y=b) && 0)<

include using namespace std; int main ( ) {int a,b,c;

cout<<\enter three integer numbers:\

cin>>a>>b>>c; if(a

cout<<\ else

cout<<\ else if (a

cout<<\ else

cout<<\ cout<

3.9题另一解

#include

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using namespace std; int main ( )

{int a,b,c,temp,max ;

cout<<\enter three integer numbers:\

cin>>a>>b>>c;

temp=(a>b)?a:b; /* 将a和b中的大者存入temp中 */

max=(temp>c)?temp:c; /* 将a和b中的大者与c比较，最大者存入max */

cout<<\ return 0; }

3.10题

#include using namespace std; int main ( ) {int x,y;

cout<<\ cin>>x;

if (x<1) {y=x;

cout<<\ }

else if (x<10) // 1≤x＜10

{y=2*x-1;

cout<<\ }

else // x≥10

{y=3*x-11;

cout<<\y=3*x-11=\ }

cout<

3.11题

#include using namespace std;

int main () {float score; char grade;

cout<<\ cin>>score;

while (score>100||score<0)

{cout<<\ cin>>score; }

switch(int(score/10)) {case 10:

case 9: grade='A';break; case 8: grade='B';break; case 7: grade='C';break; case 6: grade='D';break; default:grade='E'; }

cout<<\is \grade is \ return 0; }

3.12题

#include using namespace std; int main () {long int num; int

indiv,ten,hundred,thousand,ten_thousand,place;

/*分别代表个位,十位,百位,千位,万位和位数 */

cout<<\ cin>>num; if (num>9999) place=5; else if (num>999) place=4; else if (num>99) place=3; else if (num>9) place=2; else place=1;

cout<<\

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