hdu 2005 第几天？

第几天？

 

 思路：构建一个闰年和非闰年的二维数组模型：int a[2][13] = { { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } };，判断是闰年还是非闰年，计算天数

代码：

#include<iostream>

using namespace std;
int main()
{
    int year, month, day;
    int sum = 0;
    while (scanf("%d/%d/%d", &year, &month, &day) != EOF)
    {
        sum = 0;
        int a[2][13] = { { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } };
        int i = 0;
        if (year % 4 == 0 && year % 100 || year % 400 == 0)
        {
            i = 1;
        }
        sum += day;
        for (int j = 1; j < month; j++)
        {
            sum += a[i][j];
        }
        printf("%d\n", sum);

    }
    
    system("pause");
    return 0;
}