Category: Leetcode Solutions

Functions and OOPS Concepts

Functions and OOPs Concept – Resources Explore an engaging learning journey delving into Python functions and Object-Oriented Programming (OOP) concepts through a series of live

Leetcode 199

Binary Tree Right Side View Problem Statement: Given the root of a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you

Leetcode 81

Search in Rotated Sorted Array II Problem Statement: There is an integer array nums sorted in non-decreasing order (not necessarily with distinct values).   Before being passed to your

Leetcode 121

Best Time to Buy and Sell Stock Problem Statement: You are given an array prices where prices[i] is the price of a given stock on the ith day.   You want

Leetcode 83

Remove Duplicates from Sorted List Problem Statement: Given the head of a sorted linked list, delete all duplicates such that each element appears only once. Return the linked list sorted as

Leetcode 3

Longest Substring Without Repeating Characters Problem Statement: Given a string s, find the length of the longest substring without repeating characters. Examples Input: s =

Leetcode 206

Reverse Linked List Problem Statement: Given the head of a singly linked list, reverse the list, and return the reversed list. Examples Example 1 Input:

Leetcode 75

Sort an array of 0s, 1s and 2s Problem Statement: Given an array consisting of only 0s, 1s, and 2s. Write a program to in-place

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