else
cout<}
else
{
if(bcout<
else
cout<}
}
运行结果:
请输入三个整数
216954
21Pressanykeytocontinue
源代码:
#include
usingnamespacestd;
classhuafei
{
private:
doublenxf,zhyxf,xsh,kchxf,xn;
floatf1,f2,f3,f4;
public:
voidtishi();
voidchuru();
voidkchhuafei();
voidjkhuafei();
voidxfhuafei();
voidfzhhuafei();
};
voidhuafei:
:
tishi()
{
cout<<"输入:
每学年学费、专业总学分、每学分学时、课程学分、学年"<}
voidhuafei:
:
churu()
{
cin>>nxf>>zhyxf>>xsh>>kchxf>>xn;
}
voidhuafei:
:
kchhuafei()
{
f1=kchxf/zhyxf*nxf*xn;
cout<<"该课程的总花费:
"<}
voidhuafei:
:
jkhuafei()
{
f2=f1/(kchxf*xsh);
cout<<"每节课的花费:
"<}
voidhuafei:
:
xfhuafei()
{
f3=nxf*xn/zhyxf;
cout<<"每学分的花费:
"<}
voidhuafei:
:
fzhhuafei()
{
f4=f2/45;
cout<<"每分钟的花费:
"<}
doublemain()
{
huafeia;
a.tishi();
a.churu();
a.kchhuafei();
a.jkhuafei();
a.xfhuafei();
a.fzhhuafei();
return0;
}
运行结果:
输入:
每学年学费、专业总学分、每学分学时、课程学分、学年
3600
180
18
1.5
4
该课程的总花费:
120元
每节课的花费:
4.44444元
每学分的花费:
80元
每分钟的花费:
0.0987654元
Pressanykeytocontinue
1.源代码:
#include
usingnamespacestd;
voidmain()
{
inta;
cout<<"请输入成绩"<cin>>a;
if(a>85)
cout<<"verygood"<elseif(a>=60&&a<85)
cout<<"good"<else
cout<<"nogood"<}
运行结果:
请输入成绩
67
good
Pressanykeytocontinue
3.源代码:
#include
usingnamespacestd;
voidmain()
{
doublea,b,c;
cout<<"请输入三边的长度"<cin>>a>>b>>c;
if(a+b>c&&a+c>b&&b+c>a)
{
if(a==b&&b==c)
cout<<"等边三角形"<elseif((a==b&&b!
=c)||(b==c&&c!
=a)||(a==c&&b!
=c))
cout<<"等腰三角形"<else
cout<<"普通三角形"<}
else
cout<<"不是三角形"<}
运行结果:
请输入三边的长度
444
等边三角形
Pressanykeytocontinue
请输入三边的长度
445
等腰三角形
Pressanykeytocontinue
请输入三边的长度
345
普通三角形
Pressanykeytocontinue
请输入三边的长度
136
不是三角形
Pressanykeytocontinue
4.源代码:
#include
usingnamespacestd;
voidmain()
{
cout<<"请输入百分制成绩"<inta;
cin>>a;
switch(a)
{
case'a<100&&a>=90':
cout<<"A"<break;
case'a<90&&a>=80':
cout<<"B"<break;
case'a<80&&a>=70':
cout<<"C"<break;
case'a<70&&a>=60':
cout<<"D"<break;
case'a<60':
cout<<"E"<break;
default:
cout<<"错误"<break;
}
}
运行结果:
请输入百分制成绩
89
B
Pressanykeytocontinue
6.源代码:
#include
usingnamespacestd;
voidmain()
{
intn,i=2,flag=0;
cin>>n;
cout<while(n>1)
{
if(n%i==0)
{
if(flag)
cout<<"*";
cout<
n/=i;
flag=1;
}
else
i++;
}
}
运行结果:
60
60=2*2*3*5Pressanykeytocontinue
7.
源代码:
#include
#include
usingnamespacestd;
voidmain()
{
doublea,m,n;
cout<<"请输入数a"<cin>>a;
n=a/2;
m=(n+a/n)/2;
while(fabs(n-m)>1e-6)
{
n=m;
m=(n+a/n)/2;
}
cout<}
运行结果:
请输入数a
6
2.44949
Pressanykeytocontinue
8.源代码:
#include
#include
usingnamespacestd;
voidmain()
{
cout<<"请输入角度"<doublea;
cin>>a;
cout<<"sina="<cout<<"cosa="<cout<<"tana="<}
运行结果:
请输入角度
30
sina=0.49977
cosa=0.866158
tana=0.576996
Pressanykeytocontinue
9.源代码:
#include
usingnamespacestd;
voidmain()
{
inti;
for(i=100;i<=200;i++)
if((i%3==2)&&(i%5==3)&&(i%7==2))
cout<
}
运行结果:
128
Pressanykeytocontinue
10.源代码:
#include
usingnamespacestd;
voidmain()
{
inti;
inta,b,c;
for(i=100;i<1000;i++)
{
a=i/100;
b=(i-a*100)/10;
c=i-a*100-b*10;
if(i==a*a*a+b*b*b+c*c*c)
cout<
}
}
运行结果:
153
370
371
407
Pressanykeytocontinue
11.源代码:
#include
#include
usingnamespacestd;
voidmain()
{
inti,j,m,s,k,a[100];
for(i=1;i<=1000;i++)
{
m=i;
s=0;
k=0;
for(j=1;jif(m%j==0)
{
s=s+j;
a[k++]=j;
}
if(i==s)
{
cout<for(j=1;j{
cout<}
cout<
}
}
}
运行结果:
1
2
3
6
1
2
4
7
14
28
1
2
4
8
16
31
62
124
248
496
Pressanykeytocontinue
12.源代码:
#include
usingnamespacestd;
voidmain()
{
inta,i,j;
charc;
cout<<"Howmanylines?
"<cin>>a;
cout<<"Whatcharacter?
"<cin>>c;
for(i=1;i<=a;i++)
{
for(j=0;j<=9-i;j++)
cout<<"";
for(j=0;j<=2*i-2;j++)
cout<<"*";
cout<}
}
运行结果:
Howmanylines?
5
Whatcharacter?
*
*
***
*****
*******
*********
Pressanykeytocontinue
13.源代码:
#include
usingnamespacestd;
voidmain()
{
intX,Y,Z;
inta,b,c;
for(X=0;X<=9;X++)
for(Y=0;Y<=9;Y++)
for(Z=0;Z<=9;Z++)
{
a=X*100+Y*10+Z;
b=Y*100+Z*10+Z;
c=a+b;
if(c==532)
{
cout<cout<cout<}
}
}
运行结果:
3
2
1
Pressanykeytocontinue
如有侵权请联系告知删除,感谢你们的配合!