作业

<span style="font-size:32px;">三角形问题</span>

#include<iostream>
using namespace std;
int main()
{
int i,j;
for(i=1;i<6;i++)
cout<<" ";
cout<<"*\n";
for(i=5;i>0;i--)
{
for(j=1;j<i;j++)
cout<<" ";
cout<<"*";
for(j=i+1;j<12-i;j++)
cout<<" ";
cout<<"*"<<endl;
}
for(i=1;i<12;i++)
cout<<"*";
cout<<endl;
return 0;
}

<span style="font-size:14px;">#include<iostream>
using namespace std;
int main()
{
float x,y,z;
for(x=0;x<=100;x++)
for(y=0;y<=100;y++)
{
z=100-x-y;
if(5*x+3*y+z/3==100) cout<<"鸡翁"<<x<<"只，"<<"鸡母"<<y<<"只，"<<"鸡雏"<<z<<"只"<<endl;
}
return 0;
}</span>

<span style="font-size:18px;">#include<iostream>
using namespace std;
int main()
{
float x,y,z;
for(x=0;x<=3;x++)
for(y=0;y<=3;y++)
{
z=8-x-y;
if(z<=6) cout<<"白球"<<x<<"个，"<<"红球"<<y<<"个，"<<"黑球"<<z<<"个"<<endl;
}
return 0;
}</span>