11-13.cpp

C程序设计（第3版）程序源代码,提供你最丰富的实际代码

#include <stdio.h>
main()
{enum color {red,yellow,blue,white,black};
 enum color i,j,k,pri; int n,loop;
 n=0;
 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;
printf("%-4d",n);
for (loop=1;loop<=3;loop++)
{switch (loop)
{case 1: pri=i;break;
case 2: pri=j;break;
case 3: pri=k;break;
default:break;
}
switch (pri)
{case red:printf("%-10s","red"); break;
case yellow: printf("%-10s","yellow"); break;
case blue: printf("%-10s","blue"); break;
case white: printf("%-10s","white"); break;
case black: printf("%-10s","black"); break;
default :break;
}
}
 printf("\n");
}
 }
printf("\ntotal:%5d\n",n);
}