C++

Learn and practice the data structure and algorithm with C++ Programming language

LeetCode 880. Decoded String at Index (Medium)

LeetCode 880. Decoded String at Index (Medium)

LeetCode 880. Decoded String at Index: Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Decoded String at Index” or “LeetCode 880.” Leet Code 2612 Minimum Reverse Operations (Hard) Approach: Reverse LeetCode 880. Decoded String at Index Leet code 880, “Decoded String at […]

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LeetCode 2233 Maximum Product After K Increments (Medium)

2233. Maximum Product After K Increments

LeetCode 2233 Maximum Product After K Increments: 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 Product After K Increments” or “LeetCode 2233.” problem. Approach: LeetCode 2233 Maximum Product After K Increments Visualization LeetCode 2233 Priority Queue In this Leetcode problem, we are tasked

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Leetcode 316. Remove Duplicate Letters (Medium)

leetcode 316. Remove Duplicate Letters

Leetcode 316. Remove Duplicate Letters : Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Remove Duplicate Letters ” or “Leetcode 316.” problem. Leet Code 287 Find the Duplicate Number (Medium) Approach Stack : Leetcode 316. Remove Duplicate Letters Our Objective is, Leet code 316

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Leet Code 1048. Longest String Chain (Medium)

leetcode 1048. longest string chain

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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Leet Code 1658. Minimum Operations to Reduce X to Zero (Medium)

leetcode 1658. Minimum Operations to reduces x to zero

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

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Leet Code 662. maximum width of binary tree (Medium)

leetcode 662. maximum width of binary tree

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

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Leetcode 1359 Count All Valid Pickup and Delivery Options (HARD)

leet code 1359. count all valid pickup and delivery option

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

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