c语言源代码(计算明天的日期).doc

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1、#include"stdio.h"structdate{//声明结构体intyear;intmonth;intday;};intnumberofday(structdated);//判断这一天是否为这个月的最后一天的函数原型声明intisleap(structdated);//判断是否为闰年的函数原型声明intmain(){structdatetoday,tomorry;//定义结构体变量printf("请输入今天的日期(年月日):");scanf("%d%d%d",&today.year,&today.month,&today.day);if(

2、today.day!=numberofday(today)){tomorry.year=today.year;tomorry.month=today.month;tomorry.day=today.day+1;}elseif(today.month==12){tomorry.year=today.year+1;tomorry.month=1;tomorry.day=1;}else{tomorry.year=today.year;tomorry.month=today.month+1;tomorry.day=1;}printf("明天的日期是:%d

3、%d%d",tomorry.year,tomorry.month,tomorry.day);return0;}intnumberofday(structdated){intday;intisday[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};//定义12个月的数组.if(d.month==2&&(isleap(d))){day=isday[d.month]+1;}else{day=isday[d.month];}returnday;}intisleap(structdated){if((d.year%4

4、==0&&d.year%100!=0)

5、

6、d.year%400==0)return1;elsereturn0;}