C++上机作业答案.doc

《C++上机作业答案.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、..第一章作业答案．1.编写程序,将华氏温度转化为摄氏温度:公式:C=(5/9)*(F-32)程序代码：#includeusingnamespacestd;voidmain(){floatF,C;cout<<"PleaseinputF:";cin>>F;C=5*(F-32)/9.0;cout<<"C="<usingnamespacestd;#definePI3.14159voidmain(){floatr,h,v;.下载可编辑...co

2、ut<<"Pleaseinputrh:";cin>>r>>h;v=PI*r*r*h;cout<<"v="<#includeusingnamespacestd;voidmain(){floata,b,c,p,area;cout<<"Pleaseinputabc:";cin>>a>>b>>c;if((a+b>c)&&(b+c>a)&&(a+c>b)){p=(a+b+c)/2.0;area=sqrt(p*(p-a)*(p-

3、b)*(p-c));cout<<"area="<#includeusingnamespacestd;voidmain(){floata,b,c,p,x1,x2;cout<<"Pleaseinputabc:";cin>>a>>b>>c;p=b*b-4*a*c;if(p>=0){x1=(-b+sqrt(p))/(2*a);x2=(-b-sqrt(p))/(2*a);cout<

4、<"x1="<usingnamespacestd;voidmain(){inti,n,p=1;cin>>n;for(i=1;i<=n;i++)p=p*i;cout<using

5、namespacestd;voidmain(){inta,n=0;.下载可编辑...floatavg,sum=0;do{cin>>a;if(a>0){n++;sum+=a;}}while(a!=0);avg=sum/n;cout<<"n="<usingnamespacestd;voidmain(){inta,b,c,n;

6、for(n=100;n<1000;n++){a=n%10;b=n%100/10;c=n/100;.下载可编辑...if(n==a*a*a+b*b*b+c*c*c)cout<usingnamespacestd;voidmain(){in

7、tm,n,r,temp;cin>>m>>n;temp=m*n;while(r=m%n).下载可编辑...{m=n;n=r;}cout<<"最大公约数="<usingnamespacestd;voidmain(){intn,i,s=0;for(n=100;n<300;n+