...2000年的某月某日,输出是星期几? 这个程序用c语言怎么写???_百度知...答:include<stdio.h> void main(){ int i,n=0,month,day;int month_day[]={31,29,31,30,31,30,31,31,30,31,30,31};char str[7][10]={"星期天","星期一","星期二","星期三","星期四","星期五","星期六"};printf("请输入月、日:");scanf("%d%d",&month,&day);for(i=1...