How to Solve Latest Time by Replacing Hidden Digits Problem
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Latest Time by Replacing Hidden Digits
You are given a string time in the form of hh:mm, where some of the digits in the string are hidden (represented by ?). The valid times are those inclusively between 00:00 and 23:59. Return the lates...
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Understanding the Latest Time by Replacing Hidden Digits Problem
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Problem Statement
You are given a string time in the form of hh:mm, where some of the digits in the string are hidden (represented by ?). The valid times are those inclusively between 00:00 and 23:59. Return the latest valid time you can get from time by replacing the hidden digits.
Latest Time by Replacing Hidden Digits
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Examples
time = "2?:?0"
"23:50"
The latest hour beginning with the digit '2' is 23 and the latest minute ending with the digit '0' is 50.
time = "0?:3?"
"09:39"
time = "1?:22"
"19:22"
Constraints
time is in the format hh:mm.
It is guaranteed that you can produce a valid time from the given string.
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