C语言课后实验答案

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1、3.15.P161.#includeusingnamespacestd;intmain(){cout<<"Iamastudent,andIlikeprogramming!"<usingnamespacestd;intmain(){doublea,b,c;cout<<"输入2个数：";cin>>a>>b;c=a*b;cout<

2、deusingnamespacestd;intmain(){chardate[41];cout<>date;cout<#includeusingnamespacestd;intmain(){doublea,b,

3、h,s;inti,n;a=-1.0;b=1.0;n=200;h=(b-a)/n;s=(sin(a)+sin(b))/2;for(i=1;iusingnamespacestd;doublearea(doublelength,doublewidth){doublea;a=length*width;returna;}intmain(){cou

4、t<<"长为3，宽为4的矩形面积是："<>l>>w;cout<<"长："<#includeusingnamespacestd;intmain(){doublea,b,c,s,area;cout<<"输入a,b,c=";cin>>a>>b>>c;if(a

5、+b<=c

6、

7、a+c<=b

8、

9、c+b<=a)cout<<"Errordata"<#includeusingnamespacestd;intmain(){doublea,b,c;cout<<"输入a,b";cin>>a>>b;doublem=fabs(a)+fabs(

10、b);c=sin(m)/aqrt(cos(m));cout<<"c="<usingnamespacestd;intmain(){doublea,b,c;cout<<"输入3个小数："<>a>>b>>c;cout<<"你输入的3个小数："<

11、是："<usingnamespacestd;intmain(){inta,b,c;doubleaverage;cout<<"输入3个数："<>a>>b>>c;average=(a+b+c)/3.0;cout<<"average="<usingnamespacestd;intmain(){int

12、n,u=1;cout<<"pleaseinputaninteger:";cin>>n;for(inti=1;i<=n;i=i+1)u=u*i;cout<intmain(){intsum=0,u=1;for(inti=1;i<=10;i=i+1){u=u*i;sum=sum+u;}cout<<"sum="<intmain(){