Tag Archive For "leetcode"
![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 …
![Ugly Number Leetcode Problem 263 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Ugly-Number-Leetcode-Problem-263-Python-Solution-1.webp)
Ugly Number Leetcode Problem 263 [Python Solution]
Welcome back, folks! In this guide, we’re solving the Ugly Number Leetcode problem. This problem may seem easy on the surface, but it involves a bit of math, so stay with me. We’ll break it down step by step and provide a Python solution that you can use to check whether a given integer is …
![Unique Email Addresses Leetcode Problem 929 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Unique-Email-Addresses-Leetcode-Problem-929-Python-Solution-1.webp)
Unique Email Addresses Leetcode Problem 929 [Python Solution]
In this LeetCode problem, Unique Email Addresses, we are tasked with counting the number of unique email addresses in a given list of email strings. To determine uniqueness, we need to consider certain rules: This rule does not apply to domain names. This rule also does not apply to domain names. Let’s illustrate these rules …
![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 …
![Implement Trie (Prefix Tree) Leetcode Problem 208 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Implement-Trie-prefix-Tree-Leetcode-Problem-208-Python-Solution-1.webp)
Implement Trie (Prefix Tree) Leetcode Problem 208 [Python Solution]
If you’re new to the world of data structures and algorithms, the concept of a Trie (pronounced “try”) or Prefix Tree may seem a bit perplexing. However, fret not, as we’re here to guide you through this interesting data structure question. In this post, we’ll delve into the LeetCode problem 208, “Implement Trie (Prefix Tree),” …
![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 …
![Guess Number Higher Or Lower Leetcode Problem 374 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Guess-Number-Higher-Or-Lower-Leetcode-Problem-374-Python-Solution-1.webp)
Guess Number Higher Or Lower Leetcode Problem 374 [Python Solution]
Have you ever played a guessing game as a child? Well, we’re about to apply a similar strategy to solve the Guess Number Higher Or Lower Leetcode problem. In this LeetCode challenge, we’re given a range from 1 to n, and our goal is to guess a number chosen by someone else. To help us …
![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 …
![Happy Number Leetcode Problem 202 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Happy-Number-Leetcode-Problem-202-Python-Solution-1.webp)
Happy Number Leetcode Problem 202 [Python Solution]
Let’s do some more Leetcode, continuing with the Happy Number Leetcode problem; discuss, explore, understand and provide you with an efficient Python solution. We’ll explore what makes a number “happy” and provide you with an efficient Python solution to determine if a number is indeed a happy number. So, whether you’re a beginner or an …
![Implement Stack Using Queues Leetcode Problem 225 [Python Solution]](https://auditorical.com/wp-content/uploads/2023/10/Implement-Stack-Using-Queues-Leetcode-Problem-225-Python-Solution-1.webp)
Implement Stack Using Queues Leetcode Problem 225 [Python Solution]
Let’s delve into the problem of implementing a stack using queues, Implement Stack Using Queues Leetcode Problem 225. It’s a great problem for beginners to familiarize themselves with stacks and queues, as well as the relationship between them. We’ll explore the concept of a Last-In-First-Out (LIFO) stack and how to achieve this using queues. Problem …
![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 …