题解 | #获得月份天数#

#include<stdio.h>
int JudYearMonth(int y, int m)
{
	int days[13] = { 0,31,28,31,30,31,30,31,31,30,31,30,31 };
	int day = days[m];

	if ((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0))
	{
		if (m == 2)
		{
			day += 1;
		}
	}
	return day;
}
int main()
{
	int y = 0;
	int m = 0;
	while (scanf("%d %d", &y, &m) != EOF)
	{
		int c = JudYearMonth(y, m); 
		printf("%d\n", c); 
	}
	
	return 0;
}