#include?<stdio.h>
int?main()
{
????int?year?=?2008;
????int?month?=?8;
????int?day?=?8;
????int?a,b;
????switch(month)
????{
????????case?1:a=0;
????????????break;
????????case?2:a=31;
????????????break;
????????case?3:a=59;
????????????break;
????????case?4:a=90;
????????????break;
????????case?5:a=120;
????????????break;
????????case?6:a=151;
????????????break;
????????case?7:a=181;
????????????break;
????????case?8:a=212;
????????????break;
????????case?9:a=242;
????????????break;
????????case?10:a=273;
????????????break;
????????case?11:a=304;
????????????break;
????????case?12:a=334;
????????????break;
????????default:printf("*");
????????????break;
????}
????if(year%400==0||(year%4==0?&&?year%100!=0))
????????b=1;
????else
????????b=0;
????if(b==1&&month>2)
????????a++;
????printf("%d年%d月%d日這一天,是該年中的第%d天",year,month,day,a);
????return?0;
}
2021-11-18
你哪個閏年條件在你這個程序中明顯是多余的
2021-11-13
在 swich函數(shù)后面加一個??
? ? a=a+day;
? ??
你原來輸出的21天只是前面七個月的日數(shù)總和,而所求的事8月8日,所以還要再加上8日。