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enum.c
Package: C语言精彩编程百例_源代码.rar [view]
Upload User: bjtelijie
Upload Date: 2010-01-01
Package Size: 87k
Code Size: 1k
Category:
Algorithm
Development Platform:
Visual C++
- # include <stdio.h>
- void main()
- {
- /* 经过下面的定义后,默认有:blue=0 red=1 ... black=4 */
- enum color {blue, red, yellow, purple, black};
- enum color i, j, k, pri;
- int n, loop;
- n = 0;
- for(i=blue; i<=black; i++) /* i代表第一次所取铅笔的颜色 */
- for(j=blue; j<=black; j++) /* j代表第二次所取铅笔的颜色 */
- if(i!=j) /* 第一次和第二次所取铅笔颜色不同 */
- {
- for(k=blue; k<=black; k++) /* k代表第三次所取铅笔的颜色 */
- if((k!=i)&&(k!=j)) /* 三次所取铅笔颜色各不相同 */
- {
- n++; /* 能得到三种不同颜色铅笔的可能取法加1 */
- printf("%-6d", n);
- /* 将当前i、j、k所对应的颜色依次输出 */
- 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 blue: printf("%-10s", "blue");
- break;
- case red: printf("%-10s", "red");
- break;
- case yellow: printf("%-10s", "yellow");
- break;
- case purple: printf("%-10s", "purple");
- break;
- case black: printf("%-10s", "black");
- break;
- default:
- break;
- }
- }
- printf("n");
- }
- }
- printf("total: %5dn", n);
- }