题解 | #计算日期到天数转换#

public static void main(String[] args) { Scanner in = new Scanner(System.in); while(in.hasNext()){ String time = in.nextLine(); String[] s = time.split(" "); int[] arr = new int[s.length]; for (int i = 0; i < s.length; i++) { arr[i] = Integer.parseInt(s[i]);
        } int[] mouthDay = {31,28,31,30,31,30,31,31,30,31,30,31}; if (checkYear(arr[0])){ mouthDay[1] = 29;
        } int count = 0; for (int i = 0; i < arr[1]-1; i++) {
            count = mouthDay[i] +count;
        }
        count = count + arr[2]; System.out.println(count);
    }
} public static boolean checkYear(int year){ if (year%400 == 0 ){ return true;
    } if (year%4 == 0 && year % 100 != 0){ return true;
    } return false;
}