number-of-days-in-a-month

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1118. Number of Days in a Month (Easy)

Given a year Y and a month M, return how many days there are in that month.

 

Example 1:

Input: Y = 1992, M = 7
Output: 31

Example 2:

Input: Y = 2000, M = 2
Output: 29

Example 3:

Input: Y = 1900, M = 2
Output: 28

 

Note:

1. 1583 <= Y <= 2100
2. 1 <= M <= 12

Related Topics

[Math]

Hints

Hint 1

Does February have 28 days or 29 days?

Hint 2

Think of Leap years.