Sherlock and Array | HackerRank Solution [Easy]
Challenge is to find an element of the array such that the sum of all elements to the left is equal to the sum of all elements to the right
Category: Arrays
Max Min | HackerRank Solution [Medium]
Given a list of integers, arr, and a single integer k. Create an array of size k from elements of arr such that its unfairness is minimum
Count of Maximum Solution
Given an array A of length N, your task is to find the element which repeats in A maximum number of times as well as the corresponding count.
Jump game – LeetCode Solution [Medium]
You are given an integer array nums. You are initially positioned at the array’s first index, and each element in the array represents your maximum jump length at that position.
Find maximum of all subarrays of size k
Given an array of size n and an integer k, we need to find the maximum for each contiguous subarray of size k.
Best Time to Buy and Sell Stock [Interview Question]
You are given an array prices where prices[i] is the price of a given stock on the ith day. Return the maximum profit you can achieve from this transaction. If you cannot achieve any profit, return 0.
Convert Sorted Array to Binary Search Tree in C++ – LeetCode Solution [Easy]
Given an integer array nums where the elements are sorted in ascending order, convert it to a height-balanced binary search tree.
Array Rotation
Array rotation is a problem of changing the order of the elements of the array. Decreasing the index of the element by one and changing the index of the first element to n-1.
Find number of subarrays with given sum (with Negative numbers) – LeetCode Solution [Medium]
In the previous post, we discussed about finding the total number of continuous subarrays of a given array (of non-negative numbers) whose sum equals to k. In this post we’ll include negative numbers in the given array arr.
Find number of subarrays with given sum (Non-negative numbers) [Sliding window]
Given an array of non-negative integers arr and an integer k, return the total number of continuous subarrays whose sum equals to k.