Empowering coders, one solution at a time
Empowering coders, one solution at a time
Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Input: haystack = “sadbutsad”, needle = “sad” Output: 0 Explanation: “sad” occurs at index 0 and 6. The first occurrence is at index…
Given the head of a singly linked list, return the middle node of the linked list. If there are two middle nodes, return the second middle node. Example 1: Input: head = [1,2,3,4,5] Output: [3,4,5] Explanation: The middle node of the list is node 3.…
You are given an integer array heights representing the heights of buildings, some bricks, and some ladders. You start your journey from building 0 and move to the next building by possibly using bricks or ladders. While moving from building i to building i+1 (0-indexed), Return the furthest building index…
![[Solved] Search In Rotated Sorted Array Problem](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Search-In-Rotated-Sorted-Array-Problem.png "[Solved] Search In Rotated Sorted Array Problem")
Search In Rotated Sorted Array: You have been given a sorted array/list ARR consisting of ‘N’ elements. You are also given an integer ‘K’. Now the array is rotated at some pivot point unknown to you. For example, if ARR…