枚举类型球的取法

#include <iostream>
#include <iomanip>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
using namespace std;
int main(int argc, char** argv) {
    enum color{red,yellow,blue,white,black};
    
    color pri;
    int i,j,k,n=0,loop;
    for(i=red;i<=black;i++)
    for(j=red;j<=black;j++)
    if(i!=j)
    {
        for(k=red;k<=black;k++)
        if((k!=i)&&(k!=j))
        {
            n=n+1;
            cout <<setw(3)<<n;
            for(loop=1;loop<=3;loop++)
            {
                switch(loop)
                {
                    case 1:pri=color(i);break;
                    case 2:pri=color(j);break;
                    case 3:pri=color(k);break;
                    default:break;
                }
                switch(pri)
                {
                    case red:cout<<setw(8)<<"red";break;
                    case yellow:cout<<setw(8)<<"yellow";break;
                    case blue:cout<<setw(8)<<"blue";break;
                    case white:cout<<setw(8)<<"white";break;
                    case black:cout<<setw(8)<<"black";break;
                    default:break;
                }
            }
            cout<<endl;
        }
        
    }
    cout<<"total:"<<n<<endl;
    return 0;
}