Bruteforce Algorithm to Find the Next Closet Time Reusing the Current Digits
Given a time represented in the format “HH:MM”, form the next closest time by reusing the current digits. There is no limit on how many times a digit can …
Category: string
How to Find Words That Can Be Formed by Characters?
You are given an array of strings words and a string chars. A string is good if it can be formed by characters from chars (each character can only …
The Subsequence Algorithm for Two Strings – How to Check if a String is Subsequence of Another?
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s …
The Variable Expansion Algorithm Using Regular Expression in Javascript
Let’s say, if we want to expand strings that contain dynamic variables, we can use regular expression to do this easily. const varContent = { VAR: "World", } console.log(expand("Hello, …
String Algorithm: Reverse the first k characters for every 2k characters
Given a string and an integer k, you need to reverse the first k characters for every 2k characters counting from the start of the string. If there are …