c语言:输入年份和第多少天,求该天是该年的第几月,几日答:对输入的年份和天数都作了合法性的检查 include<stdio.h> //平年 int nonLeap[13] = {0,31,59,90,120,151,181,212,243,273,304,334,365};闰年 int leap[13] = {0,31,60,91,121,152,183,213,244,274,305,335,366};int leapyear(int year) //判断某年是否闰年 闰年返回1,平年...
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','...