Latest Time You Can Obtain After Replacing Characters
You are given a string s representing a 12-hour format time where some of the digits, possibly none, are replaced with a "?".
12-hour times are formatted as "HH:MM", where HH is between 00 and 11, and MM is between 00 and 59. The earliest 12-hour time is 00:00, and the latest is 11:59.
You have to replace all the "?" characters in s with digits such that the time obtained by the resulting string is a valid 12-hour format time and is the latest possible.
Return the resulting string.
Example 1
Input
s = "1?:?4"Output
"11:54"The latest 12-hour format time we can achieve by replacing
"?" characters is "11:54".Example 2
Input
s = "0?:5?"Output
"09:59"The latest 12-hour format time we can achieve by replacing
"?" characters is "09:59".Constraints
s.length == 5s[2]is equal to the character":".- All characters except
s[2]are digits or"?"characters. - The input is generated such that there is at least one time between
"00:00"and"11:59"that you can obtain after replacing the"?"characters.