给出年、月、日，计算该日是该年的第几天。

【描述】

给出年、月、日，计算该日是该年的第几天。

【C语言】

#include<stdio.h>

int sum_day(int month, int day) {

	int day_tab[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
	int i;
	for (i = 1; i < month; i++)
		day = day + day_tab[i];
	return (day);
}

int leap(int year) {

	int leap;
	leap = (year % 4 == 0 && year % 100 != 0) || year % 400 == 0;
	return (leap);
}

int main() {
	int year, month, day;
	int days;
	scanf("%d %d %d", &year, &month, &day);
	printf("%d %d %d\n", year, month, day);
	days = sum_day(month, day);
	if (leap(year) && month > 2)
		days = days + 1;
	printf("%d", days);
	return 0;
}