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...
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 定义一个包含年月日的结构体变量,任意输入一天,计算该日是本...答:include <stdio.h> #include<string.h>struct date{int year, mouth, day;};int main(){struct date d;int i, k=0, nday=0;printf("请输入当前年月日: ");scanf("%d%d%d", &d.year, &d.mouth, &d.day);///先判断是否是闰年,符合条件就是闰年,k置为1if(d.year%4==0 && d...
c语言输入某年某月某日,求下一天的日期?答:include <stdio.h> int main(){ int year1,month1,day1,year2,month2,day2;int day[12] = {31,28,31,30,31,30,31,31,30,31,30,31};printf("Please input year-month-day : ",year1,month1,day1);scanf("%d-%d-%d",&year1,&month1,&day1);if((year1 % 400 == 0) |...