Leetcode 1048. Longest String Chain: Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Longest String Chain” problem. A naive approach would be to check every word against every other word looking for predecessors, but that would lead to a TLE result. The first important realization […]
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Is Subsequence Leetcode 392 : Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Is Subsequence” problem. Step 1: Problem Overview : The “Is Subsequence” problem, as presented in LeetCode 392, aims to determine if one given string, denoted as ‘s,‘ is a subsequence
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Minimum Operations to Reduce X to Zero (Medium) : Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Minimum Operations to Reduce X to Zero (Medium)” problem. Problem explanation: We were given an array, and we were tasked with reducing the elements present
Leet Code 1658. Minimum Operations to Reduce X to Zero (Medium) Read More »
maximum width of binary tree :Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Maximum Width of Binary Tree” problem. Binary Tree Level Order Traversal Method 1: Level Order Traversal using Queue Algorithm: Note : Level oder Travesal is equivalent to BFS search
Leet Code 662. maximum width of binary tree (Medium) Read More »
Find the Duplicate Number : Finding a sneaky duplicate number in an array can be a real brain-teaser, especially when you’re told not to mess with the array or use too much memory. But fear not! We’ve got a clever trick up our sleeves to crack this code conundrum. Understanding the Puzzle:Imagine this: You’re handed
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Minimum Reverse Operations : Once upon a time, there was a magical array called “A.” This array had lots of zeros, but it had one special number: the number 1. The number 1 could move around in this array, but it had some rules to follow. Rule 1: The 1 could do a special trick
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Reverse Linked List :You can solve this problem in C++, Java, Python, or JavaScript using the following algorithm to reverse a singly linked list: Leet Code : Reverse Nodes in k-Group Java, Python ,C++ JavaScript Solution Imagine you have a chain of beads, and you want to reverse their order. That’s what this code does
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Leet Code . 420 Strong Password Checker: Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Strong Password Checker” or “Leet Code .420‘ Approach The code achieves this by following these steps: C++ Solution Leet Code 420 Leet Code : Longest Palindromic Substring
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Counting Valid Pickup and Delivery Sequences: A Dynamic Programming Approach 1. Introduction What is the Problem? You are given n orders, each comprising both pickup and delivery services. The task is to count all the valid sequences of these orders, ensuring that the delivery for each order always occurs after its corresponding pickup. To manage
Leetcode 1359 Count All Valid Pickup and Delivery Options (HARD) Read More »
Hey there, fellow developers! Are you looking to add some pizzazz to your website? Want to create eye-catching, modern pop-up elements that will captivate your users? Well, you’re in luck because in this article, we’re going to dive into the exciting world of creating pops using JavaScript, HTML, and CSS, and give them a trendy
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The problem “Snakes and Ladders” is a problem where the goal is to find the minimum number of dice rolls required to reach the final square in a game of snakes and ladders. The game is represented by a square grid with snakes and ladders on some of the squares. Landing on a ladder square
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Leet Code 55.:In this post, we’ll look at two jump game difficulties offered on Leet Code 55. These are well-known coding tasks that might be difficult to complete in a single attempt.We’ll go over numerous approaches to solving both issues step by step using complexity analysis. So, let’s begin with the first. Day 3 Coding
Leet Code 55. Tackling Jump I , II , III , IV Game | Cpp ,Java ,Python – Day 3 Read More »
If, you are preperaing for FACEBOOK Interview or will prepare. Then according to LeetCode premium it is no.4 most asked Question by Facebook as per now. Nilesh Most important QUOTE… So Ladies n Gentlemen without any further due let’s start,What question saying is, Given two binary strings a and b, return their sum as a binary string. Explanation of Approach: Explanation
Day 2 : FaceBook Asked interview Quetion :- Add Binary Sum – Java ,Python ,Cpp Read More »
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. Input: height = [0,1,0,2,1,0,1,3,2,1,2,1] Output: 6 Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped. CPP solution
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Given the root of a binary tree, determine if it is a valid binary search tree (BST). A valid BST is defined as follows: Input: root = [2,1,3] Output: true Solution : Java DFS : Python : CPP : Inorder solution :
Leet Code : Validate Binary Search Tree Java | CPP | Python solution Read More »
Two integer arrays, nums and multipliers, of sizes n and m, respectively, are provided to you, where n >= m. The arrays are all one-dimensional. You start with a score of zero. You need to carry out precisely m operations. On the ith (1-indexed) action, you will: Choose one integer x from the beginning or
LeetCode 15. Pattern: Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “three sum” or “LeetCode .15” Approaches Two-Pointer Approach: 1. Sorting the Array 2. Initialization 3. Handling Edge Case 4. Main Loop Over Array 5. Duplicate Check 6. Two-Pointer Approach 7. Finding
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Given a string s, return the longest palindromic substring in s. A string is called a palindrome string if the reverse of that string is the same as the original string. Example 1: Input: s = “babad” Output: “bab” Explanation: “aba” is also a valid answer. Example 2: Input: s = “cbbd” Output: “bb” Solution : JavaScript : CPP
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