Tag Archive For "medium"
![Surrounded Regions Leetcode Problem 130 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Surrounded-Regions-Leetcode-Problem-130-Python-Solution-1.webp)
Surrounded Regions Leetcode Problem 130 [Python Solution]
The Surrounded Regions Leetcode problem 130 is a fascinating problem that challenges your skills in handling matrices and regions. In this problem, you are given an m x n matrix board, which contains only ‘X’ and ‘O’ characters. Your task is to capture all regions that are surrounded in all four directions by ‘X’. A …
![Swap Nodes In Pairs Leetcode Problem 24 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Swap-Nodes-In-Pairs-Leetcode-Problem-24-Python-Solution-1.webp)
Swap Nodes In Pairs Leetcode Problem 24 [Python Solution]
In this blog post, we face the Swap Nodes In Pairs problem, which is LeetCode Problem 24. The goal is to take a linked list and swap every two adjacent nodes, returning the modified list’s head. It’s important to note that we can’t modify the values within the nodes; we can only change the connections …
Target Sum Leetcode Problem 494 [Python Solution]
In the Target Sum problem, you are given an integer array nums and an integer target. The task is to build an expression out of the numbers in nums by adding either a ‘+’ or ‘-‘ symbol before each integer in nums and then concatenate all the integers. The goal is to determine the number …
![Task Scheduler Leetcode Problem 621 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Task-Scheduler-Leetcode-Problem-621-Python-Solution-1.webp)
Task Scheduler Leetcode Problem 621 [Python Solution]
In the Task Scheduler problem, we are given an array of tasks represented by characters, where each character represents a different task. These tasks can be done in any order, with each task taking one unit of time. There is also a non-negative integer ‘n’ representing the cooldown period between two same tasks. This cooldown …
![Trim A Binary Search Tree Leetcode Problem 669 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Trim-A-Binary-Search-Tree-Leetcode-Problem-669-Python-Solution-1.webp)
Trim A Binary Search Tree Leetcode Problem 669 [Python Solution]
In this blog guide, we’ll delve into the LeetCode problem titled Trim A Binary Search Tree It’s a medium-level problem in the Trees category and is often associated with companies like Amazon. We’ll explore the problem, understand its constraints, and walk through the solution step by step, using Python. By the end, you’ll have a …
![Two City Scheduling Leetcode Problem 1029 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Two-City-Scheduling-Leetcode-Problem-1029-Python-Solution-1.webp)
Two City Scheduling Leetcode Problem 1029 [Python Solution]
Problem Overview In the Two City Scheduling Leetcode problem, a company is planning to interview 2n people, and they are given an array costs. Here, costs[i] = [aCosti, bCosti] represents the cost of flying the ith person to city A (aCosti) or to city B (bCosti). The goal is to minimize the total cost while …
![Unique Length 3 Palindromic Subsequences Leetcode Problem 1930 [Python]](https://auditorical.com/wp-content/uploads/2023/10/Unique-Length-3-Palindromic-Subsequences-Leetcode-Problem-1930-Python-1.webp)
Unique Length 3 Palindromic Subsequences Leetcode Problem 1930 [Python]
In this LeetCode problem, Unique Length 3 Palindromic Subsequences, we are given a string s, and the task is to return the number of unique palindromes of length three that are subsequences of s. It’s essential to note that even if there are multiple ways to obtain the same subsequence, it should be counted only …
![Kth Largest Integer In An Array Leetcode Problem 1985 [Python]](https://auditorical.com/wp-content/uploads/2023/10/Find-The-Kth-Largest-Integer-In-The-Array-Leetcode-Problem-Python-1.webp)
Kth Largest Integer In An Array Leetcode Problem 1985 [Python]
If you’ve ever wondered how to find the kth largest integer in an array without sorting, you’re onto the right problem; Kth Largest Integer In an Array. In this blog post, we’ll explore the Kth Largest Integer In an Array problem from LeetCode, which is categorized as a medium-difficulty problem in the Heap/Priority Queue category. …
Hand Of Straights Leetcode Problem 846 [Python Solution]
Hand Of Straights, even though it does not sound like it, is a Leetcode problem and we’ll break down the problem, examine the constraints. Also, we will discuss a brute force approach, and then delve into an efficient Python solution. By the end, you’ll have a clear understanding of how to solve this problem and …
![Find K Closest Elements Leetcode Problem 658 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Find-K-Closest-Elements-Leetcode-Problem-658-Python-Solution-1.webp)
Find K Closest Elements Leetcode Problem 658 [Python Solution]
If you’ve ever encountered a problem on LeetCode that requires finding the k closest elements to a target value in a sorted array, you’ll know it can be a bit tricky. In this blog guide, we’ll break down the Find K Closest Elements problem, explore different approaches, and provide a Python solution. We’ll also discuss …
![Insert Delete Get Random O(1) Leetcode Problem 380 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Insert-Delete-Get-Random-O1-Leetcode-Problem-380-Python-Solution-1.webp)
Insert Delete Get Random O(1) Leetcode Problem 380 [Python Solution]
In this blog post, we’re going all in to the LeetCode problem known as Insert Delete Get Random O(1) (Problem 380). This problem falls under the category of Arrays and Hashing and is considered to be of medium difficulty. The challenge revolves around designing a data structure that allows us to perform various operations efficiently: …
![House Robber Leetcode Problem 198 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/House-Robber-Leetcode-Problem-198-Python-Solution-1.webp)
House Robber Leetcode Problem 198 [Python Solution]
House Robber Leetcode problem is a 1-D Dynamic Programming category problem and is considered of medium difficulty. We will walk through the problem, provide a detailed solution in Python, discuss its time and space complexity, and explain the reasoning behind our approach. Problem Overview You are a professional robber planning to rob houses along a …
![Grid Game Leetcode Problem 2017 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Grid-Game-Leetcode-Problem-2017-Python-Solution-1.webp)
Grid Game Leetcode Problem 2017 [Python Solution]
In this guide, we will break down and solve a medium-level challenge of the Arrays & Hashing family; Grid Game LeetCode problem. This problem is an intriguing game of strategy involving two robots on a 2D grid. The first robot aims to minimize the points the second robot can collect, while the second robot seeks …
![K Closest Points To Origin Leetcode Problem 973 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/K-Closest-Points-To-Origin-Leetcode-Problem-973-Python-Solution-1.webp)
K Closest Points To Origin Leetcode Problem 973 [Python Solution]
How would you like to learning solving K Closest Points To Origin Leetcode problem with efficiency? This is a medium difficulty problem that falls under the category of Heap/Priority Queue. The problem requires finding the k closest points to the origin (0,0) on the X-Y plane from a given array of points. Problem Overview Let’s …
![Longest Common Subsequence Leetcode Problem 1143 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Longest-Common-Subsequence-Leetcode-Problem-1143-Python-Solution-1.webp)
Longest Common Subsequence Leetcode Problem 1143 [Python Solution]
Do you want to know how to solve the Longest Common Subsequence Leetcode problem efficiently? I do too because it is such a classic dynamic programming challenge. By the end of this guide, you’ll have a solid Python solution to this problem. Let’s dive right in! Problem Overview Question: Given two strings, text1 and text2, …