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    Data Structures & Algorithms

    Maximum Nesting Depth of the Parentheses | Leetcode 1614 | Depth Counting Solution

    3 Mins Read

    The Maximum Nesting Depth of the Parentheses problem asks us to determine the deepest level of nested parentheses in a…

    Data Structures & Algorithms

    Sort Characters By Frequency | Leetcode 451 | Hash Map + Sorting Solution

    3 Mins Read

    The Sort Characters By Frequency problem asks us to rearrange the characters of a given string in descending order of…

    Data Structures & Algorithms

    Valid Anagram | Leetcode 242 | Optimal Hash Map Solution

    3 Mins Read

    The Valid Anagram problem asks us to check if two given strings s and t are anagrams of each other.…

    Data Structures & Algorithms

    Rotate String | Leetcode 796 | Optimal Substring Search Solution

    2 Mins Read

    The Rotate String problem asks us to check whether one string goal can be obtained by rotating another string s.…

    Data Structures & Algorithms

    Isomorphic Strings | Leetcode 205 | Optimal Hash Map Solution

    4 Mins Read

    The Isomorphic Strings problem asks us to determine if two strings s and t are isomorphic. Two strings are isomorphic…

    Data Structures & Algorithms

    Longest Common Prefix | Leetcode 14 | Optimal Solution Explained

    3 Mins Read

    The Longest Common Prefix problem asks us to find the longest string prefix that is common to all strings in…

    Data Structures & Algorithms

    Largest Odd Number in String | Leetcode 1903 | Step-by-Step Solution Explained

    3 Mins Read

    The Largest Odd Number in String problem asks us to find the largest-valued odd integer that can be formed from…

    Data Structures & Algorithms

    Reverse Words in a String | Leetcode 151 | Split and Reverse Approach

    3 Mins Read

    You are given a string s that consists of words separated by spaces. Here’s the [Problem Link] to begin with.…

    Data Structures & Algorithms

    Remove Outermost Parentheses | Leetcode 1021 | Stack Depth Counting Solution

    3 Mins Read

    You are given a valid parentheses string s. Your task is to remove the outermost parentheses of every primitive substring.…

    Data Structures & Algorithms

    Boundary Traversal of Binary Tree – Detailed Explanation

    3 Mins Read

    You are given the root of a binary tree. Your task is to return the boundary traversal of the tree…

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