...日期是这一年的第几天。(保证测试用例为合法日期答:include <stdio.h>void main(){int i,year,month,day,n=0,a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};scanf("%d/%d/%d",&year,&month,&day);if((year%4==0&&year%100)||year%400==0) a[2]=29;for(i=0;i<=month-1;i++) n+=a[i];printf("这个日期是%d...
求C语言程序,我输入日期(年月日),然后输入前后加减多少天,得出那个日 ...答:{ int year,month,day;int leapyear=0;//闰年时使用 int daytime=0;int sum;static int month_date[12]={31,28,31,30,31,30,31,31,30,31,30,31};printf("请输入日期:(例如:2010 5 27)");scanf("%d%d%d",&year,&month,&day);if(year<=0||month>12||month<1)//判断输入是否...
C语言题目:设计一个程序输入年月日 输出下一天的年月日 要C语言,不要...答:include "stdio.h"struct date { unsigned short year ;unsigned char month ;unsigned char day ;};date today,tomorrow ;void main(){ unsigned char ltd[13]={0,31,29,31,30,31,30,31,31,30,31,30,31};while(1){ while(!ltd[0]){ printf("请输入日期,格式如:2011,4,1...
从键盘上输入年月日,计算该日是该年的第几天。请在visual C++6.0下用...答:return pastD;}void main(){int _y,_m,_d;printf("请输入年,月,日(格式为:year,month,day):");scanf("%d,%d,%d",&_y,&_m,&_d);printf("当前日期:%d,%d,%d 是本年的第%d天\n",_y,_m,_d,days(&_y,&_m,&_d));}已在Visual C++ 6.0测试通过并输出上面的截图结果。