c++作业-4

#include <iostream>

using namespace std;

int main()
{
double i(1),sum1(0),sum2(0);
while(i<=30)
{
sum1=sum1+100000;
sum2=2*sum2+0.01;
i++;
}
cout<< "陌生人给富翁"<<sum1<<"元\n"<<"富翁给陌生人"<<sum2<<"元"<<endl;
if(sum1<sum2)
cout<<"富翁亏了";
else
cout<<"富翁赚了";
return 0;
}

#include <iostream>

using namespace std;

int main()
{
int i,j,k,m,n;
for(i=1;i<=6;i++)
cout<<" ";
cout<<"*"<<endl;
for(j=1;j<=5;j++)
{
for(k=1;k<=6-j;k++)
cout<<" ";
cout<<"*";
for(m=1;m<=-1+2*j;m++)
cout<<" ";
cout<<"*";
cout<<endl;
}
for(n=1;n<=13;n++)
cout<<"*";
cout<<endl;
return 0;
}

#include <iostream>

using namespace std;

int main()
{
double x,y,z;
for(x=0;x<=20;x++)
for(y=0;y<=33;y++)
for(z=0;z<=100;z++)
if(5*x+3*y+z/3==100&&x+y+z==100)
cout<<"鸡翁\t"<<x<<"只\t"<<"鸡母\t"<<y<<"只\t"<<"鸡雏\t"<<z<<"只\t"<<endl;
return 0;
}