2409. Count Days Spent Together
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class Solution:
def countDaysTogether(
self, arriveAlice: str, leaveAlice: str, arriveBob: str, leaveBob: str
) -> int:
a = max(arriveAlice, arriveBob)
b = min(leaveAlice, leaveBob)
days = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
x = sum(days[: int(a[:2]) - 1]) + int(a[3:])
y = sum(days[: int(b[:2]) - 1]) + int(b[3:])
return max(y - x + 1, 0)