Difficulty: Easy Archives

Implement strStr() LeetCode Solution

Problem Statement: Implement strStr() LeetCode Solution – Implement strStr(). 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. Clarification: What should we return when needle is an empty string? This is a great question to ask during an interview. For the purpose of this problem, we …

Next Greater Element I Leetcode Solution

Problem Statement Next Greater Element I Leetcode Solution – The next greater element of some element x in an array is the first greater element that is to the right of x in the same array. You are given two distinct 0-indexed integer arrays nums1 and nums2, where nums1 is a subset of nums2. For each 0 <= i < nums1.length, find the index j such that nums1[i] == nums2[j] and determine …