c语言编程:输入某年某月某日,计算出这一天是该年的第几天?该怎么解答啊...答://输入年月日,输出是该年第几天 include<stdio.h> int sum(int month,int day){ int days[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};int i;for(i=1;i<month;i++)day+=days[i];return(day);} int leap(year){ int leap=0;if((year%4==0&&year%100!=0)||(...
请大家帮忙用C语言写一程序 : 输入年~月~日,计算该日是该年的第n天答:+= getMaxDayofMonth(loop, year);} daynum += day;return daynum;} int main(){ int year,month,date,day;printf("请输入日期(如: 2011 1 5):\n");scanf("%d%d%d",&year,&month,&date);day=find(year,month,date);printf("T这一天是本年的第 %d 天。\n",day);} ...