Tag: duplicate numbers

Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an integer array nums with the following properties: nums.length == 2 * n. nums contains n + …

Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer array nums and an integer k, return true if there are two distinct indices i and j …

In a array A of size 2N, there are N+1 unique elements, and exactly one of these elements is repeated N times. Return the element repeated N times. Example …