# Hard

## Palindrome Pairs LeetCode Solution

Here, We see Palindrome Pairs LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Palindrome Pairs LeetCode Solution Problem Statement You are given a 0-indexed array of unique strings words. A palindrome pair is a pair of integers (i, j) such that: Return an array of all the palindrome pairs of words. […]

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Here, We see Word Ladder LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Word Ladder LeetCode Solution Problem Statement A transformation sequence from word beginWord to word endWord using a dictionary wordList is a sequence of words beginWord -> s1 -> s2 -> … -> sk such that:

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## Word Ladder II LeetCode Solution

Here, We see Word Ladder II LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Word Ladder II LeetCode Solution Problem Statement A transformation sequence from word beginWord to word endWord using a dictionary wordList is a sequence of words beginWord -> s1 -> s2 -> … ->

Leetcode Solution

## Sliding Window Maximum LeetCode Solution

Here, We see Sliding Window Maximum LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Sliding Window Maximum LeetCode Solution Problem Statement You are given an array of integers nums, there is a sliding window of size k which is moving from

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## Serialize and Deserialize Binary Tree LeetCode Solution

Here, We see Serialize and Deserialize Binary Tree LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Serialize and Deserialize Binary Tree LeetCode Solution Problem Statement Serialization is the process of converting a data structure or object into a

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## Longest Increasing Path in a Matrix LeetCode Solution

Here, We see Longest Increasing Path in a Matrix LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Longest Increasing Path in a Matrix LeetCode Solution Problem Statement Given an m x n integers matrix, return the length of the longest increasing path

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## Patching Array LeetCode Solution

Here, We see Patching Array LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Patching Array LeetCode Solution Problem Statement Given a sorted integer array nums and an integer n, add/patch elements to the array such that any number in the range [1,

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## Count of Range Sum LeetCode Solution

Here, We see Count of Range Sum LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Count of Range Sum LeetCode Solution Problem Statement Given an integer array nums and two integers lower and upper, return the number of range sums that lie in [lower, upper] inclusive.

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## Create Maximum Number LeetCode Solution

Here, We see Create Maximum Number LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Create Maximum Number LeetCode Solution Problem Statement You are given two integer arrays nums1 and nums2 of lengths m and n respectively. nums1 and nums2 represent the digits of two numbers. You are also given an

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## Burst Balloons LeetCode Solution

Here, We see Burst Balloons LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Burst Balloons LeetCode Solution Problem Statement You are given n balloons, indexed from 0 to n – 1. Each balloon is painted with a number on it represented by an

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## Count of Smaller Numbers After Self LeetCode Solution

Here, We see Count of Smaller Numbers After Self LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Count of Smaller Numbers After Self LeetCode Solution Problem Statement Given an integer array nums, return an integer array counts where counts[i] is the number of smaller

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## Find Median from Data Stream LeetCode Solution

Here, We see Find Median from Data Stream LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Find Median from Data Stream LeetCode Solution Problem Statement The median is the middle value in an ordered integer list. If the size of

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## Basic Calculator LeetCode Solution

Here, We see Basic Calculator LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Basic Calculator LeetCode Solution Problem Statement Given a string s representing a valid expression, implement a basic calculator to evaluate it, and return the result of the evaluation.

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## Maximum Sum of 3 Non-Overlapping Subarrays LeetCode Solution

Here, We see Maximum Sum of 3 Non-Overlapping Subarrays LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Maximum Sum of 3 Non-Overlapping Subarrays LeetCode Solution Problem Statement Given an integer array nums and an integer k, find three non-overlapping subarrays of

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## Shortest Palindrome LeetCode Solution

Here, We see Shortest Palindrome LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Shortest Palindrome LeetCode Solution Problem Statement You are given a string s. You can convert s to a  palindrome by adding characters in front of it. Return the shortest palindrome

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