### Find if Array contains Duplicate Number - Leet Code Solution

Problem Statement Given an array of integers, find if the array contains any…

Problem Statement Given an array of integers, find if the array contains any…

Problem Statement Given a non-empty array of integers, every element appears…

Problem Statement Maximum Length of Subarray With Positive Product. Given an…

Problem Statement Given an array, rotate the array to the right by k steps…

Problem Statement Say you have an array prices for which the ith element is the…

Problem Statement Given a sorted array nums, remove the duplicates in-place such…

A Binary Search tree (BST) is a data structure which has two children nodes…

A Binary tree is a data structure which has two children nodes attached to it…

First try to understand question. Its a binary tree, not a binary search tree…

Its every software engineer’s dream to work with the big FAANG companies…

Introduction I will list some of the interesting usage of bitwise operators…

Problem Statement Given a linked list, swap every two adjacent nodes and return…

Problem Statement Given an array nums of n integers and an integer target, find…

Problem Statement Given an array nums of n integers, are there elements a, b, c…

Problem Statement Roman numerals are represented by seven different symbols: I…

Problem Statement Roman numerals are represented by seven different symbols: I…

Problem Statement Write a function to find the longest common prefix string…

Problem Statement Given n non-negative integers a1, a2, …, an , where each…

Problem Statement Determine whether an integer is a palindrome. An integer is a…

Problem Statement Given a linked list, remove the n-th node from the end of list…

Here are some tips while preparing for your coding interviews. 1. Do study or…