C语言问题:键盘输入年月日,输出,该日是该年的第几天答:通过编译了的以下是代码:include<stdio.h> void main(){ int year,month,day;scanf("%d,%d,%d",&year,&month,&day);if((year%4==0&&year%100!=0)||(year%400==0))switch(month){ case 1:printf("the day is %d\n",day);break;case 2:printf("the day is %d\n",31+day);...
用c语言编写一程序,用户输入日期,计算该日是今年的第几天答:include"stdio.h"include"stdlib.h"intmain(){ intday,month,year,sum,leap;printf("\npleaseinputyear,month,day\n");scanf("%d,%d,%d",&year,&month,&day);switch(month)/*先计算某月以前月份的总天数*/ { case1:sum=0;break;case2:sum=31;break;case3:sum=59;break;case4:sum=90...
c语言编程输入一年中的任意一天输出它是这一年的第几天答:void main(){ int Day[14]={0,31,28,31,30,31,30,31,31,30,31,30,31};//此数组用于存放每个月的天数(下标为0时没有天数,其余为平年当中每月的天数)int year,month,day;//定义三个变量分别用于存放用户输入的年月日 int sumday=0;//此变量用于存放用户输入日期是当年的第几天 int i...