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- #include<stdio.h>
- void main()
- {
- enum Color{red,yellow,green,blue,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 green:printf("%-10s","green");break;
- case blue:printf("%-10s","blue");break;
- case black:printf("%-10s","black");break;
- default:break;
- }
- }
- printf("\n");
- }
- }
- }
- }
- printf("total:%5d\n",n);
- }
复制代码 这是怎么回事,已经跟书上代码一样了。 |
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