c语言,定义一个枚举类型,用来表示一周中的七天,利用循环将枚举值...答:include "stdio.h"enum week{sun,mon,tue,wed,thu,fri,sat,};int main(void){int wd;enum week pw,t;while(1){printf("Please input wd(0~7)...\nwd=");if(scanf("%d",&wd) && wd>0 && wd<8)break;printf("Error, redo: ");}for(t=(enum week)wd,wd=0,pw=sun;pw<t;...