Given an array containing n distinct numbers taken from 0, 1, 2, …, n, find the one that is missin…

Given an array of size n, find the majority element. The majority element is the element that appear…

Given an array of integers and an integer k, find out whether there are two distinct indices i and j…

Given an array of integers, find if the array contains any duplicates. Your function should return t…

Given an array of integers that is already sorted in ascending order, find two numbers such that the…

Say you have an array for which the ith element is the price of a given stock on day i. Design an al…

Say you have an array for which the ith element is the price of a given stock on day i. If you were …

Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note: Y…

Given an array of integers, every element appears twice except for one. Find that single one. Note: …