#1903

Largest Odd Number in String

pupil · 315 · lc easy +21 · premium · verified · 67% accepted · 2,567 likes · top 73%

Description

Given a string num representing a large non-negative integer, return the largest-valued odd number that is a non-empty substring of num, or an empty string if no such substring exists.

Example 1:

Input: num = "52"

Output: "5"

Explanation: The only non-empty substrings are "5", "2", and "52". "5" is the only odd number.

Example 2:

Input: num = "4206"

Output: ""

Explanation: There are no odd numbers in "4206".

Example 3:

Input: num = "35427"

Output: "35427"

Explanation: "35427" is already an odd number.

Code

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class Solution:
    def largestOddNumber(self, num: str) -> str:

class Solution:
    def largestOddNumber(self, num: str) -> str: