C++作业6

项目2
#include<iostream>
using namespace std;
int main()
{
int i,j,s;
for(i=2; i<=1000; i++)
{
s=0;
for(j=1; j<=i/2; j++)
{
if(i%j==0)
s+=j;
}
if(s==i)
cout<<i<<endl;
}
return 0;
}
项目5
#include<iostream>
using namespace std;
int main()
{
int x,y,z;
for(x=0; x<=20; x++)
{
for(y=0; y<=33; y++)
{
z=100-x-y;
if((5*x+3*y+z/3==100)&&(x+y+z==100)&&(z%3==0))
cout<<"鸡翁"<<x<<"只,"<<"鸡母"<<y<<"只,"<<"鸡雏"<<z<<"只。"<<endl;
}

}
return 0;
}