题解 | #获得月份天数#

#include<stdio.h>int main()

{

int y = 0;

int m = 0;

int days[12] = { 31,28,31,30,31,30,31,31,30,31,30,31};

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

}