LeetCode 2413. Smallest Even Multiple

Given a positive integer n, return the smallest positive integer that is a multiple of both 2 and n.

Example 1:

Input: n = 5
Output: 10
Explanation: The smallest multiple of both 5 and 2 is 10.

Example 2:

Input: n = 6
Output: 6
Explanation: The smallest multiple of both 6 and 2 is 6. Note that a number is a multiple of itself.

Constraints:

• 1 <= n <= 150

Solutions

class Solution:

def smallestEvenMultiple(self, n: int) -> int:

if n%2 == 0:

return n

else:

return 2*n