C语言用递归算法,实现从键盘输入年月日,计算出是该年的第几天答:31};if(year%4==0&&year%100||year%400==0)a[2]=29;if(month==1) s+=day;else s+=a[month]+fun(year,month-1,day);return s;}void main(){int year,month,day;scanf("%d-%d-%d",&year,&month,&day);printf("%d年的第%d天",year,fun(year,month,day));}//运行示例:
用C语言编写:输入某年某月某日,判断这一天是这一年的第几天?答:main(){ int n,year,month,day,month_day_sum=0,sum,month_day[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};printf("please input the \"year month day\"\n");scanf("%d%d%d",&year,&month,&day);if(year%100!=0&&year%4==0||year%400) month_day[2]=29;if(day>...
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。
'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...