题解 | #计算日期到天数转换#
计算日期到天数转换
https://www.nowcoder.com/practice/769d45d455fe40b385ba32f97e7bcded
#include <stdio.h>
int day_of_year(int year, int month, int day);
int main(){
int year, month, day;
int serial = 1;
while( scanf("%d %d %d", &year, &month, &day) != EOF ){
serial = day_of_year(year, month, day);
printf("%d\n", serial);
}
return 0;
}
int day_of_year(int year, int month, int day)
{
int ret = 0;
//每个月之前的累计天数
int LeapYear[12] = {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335};
int NormalYear[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
//闰年
if( (year%4==0 && year%100 != 0) || year%400 == 0 )
ret = LeapYear[month-1] + day;
//平年
else
ret = NormalYear[month-1] + day;
return ret;
}
