Peak Index in a Mountain Array
Given an array of integers arr that represents a mountain, you need to find the peak index. A peak index…
Find Smallest Letter Greater Than Target
Given a sorted list of lowercase letters letters and a target letter target, you need to find the smallest letter…
Binary Search Problem
Binary Search is a classic searching algorithm that efficiently finds the target element in a sorted array. Given a sorted…
Single Element in a Sorted Array
Given a sorted array of integers where every element appears twice except for one, you need to find that single…
Find First and Last Position of Element in Sorted Array
Given a sorted array of integers nums and a target element target, you need to find the starting and ending…
Search in Rotated Sorted Array
We can solve this problem using a modified binary search algorithm. We can identify whether the target element lies in…
Find In Mountain Array
A mountain array is defined as an array that increases to a peak element and then decreases. You need to…