View Code of Problem 81

#include <stdio.h>

struct date {
	int year;
	int month;
	int day;
};

int main() {
	struct date test_day;
	scanf("%d %d %d", &test_day.year, &test_day.month, &test_day.day);
	int sum;
	sum = test_day.month * 30 + (test_day.month+1)/2;
	if (test_day.month == 10 || test_day.month == 12) {
		sum++;
	}
	if (test_day.year % 4 == 0) {
		sum--;
	}
	else
	{
		sum = sum - 2;
	}
	printf("%d", sum);
}