...2输入年份月份日期,计算得到这一天据今天有多少天,星期几...答:printf("请输入年月日(xxxx,xx,xx): ");scanf("%d,%d,%d", &y, &m, &d);fflush(stdin);rtnDay = (3*y-(7*(y+(m+9)/12))/4+(23*m)/9+d+17-((y+(m<3?-1:0))/100+1)*3/4) % 7;printf("%04d年%02d月%02d日 是 星期%d\n", y, m, d, rtnDay?rtnDay:7...
C语言程序,输入年月日算出当天星期几答:include <stdio.h> int main(){ int day,mn,yr,i,days=0,s,k;int mont[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};char wek[][9]={ {'S','u','n','d','a','y'},{'M','o','n','d','a','y'},{'T','u','e','s','d','a','y'},{'W','...