How to Find All Duplicates in an Array using Python?
Given an array of integers, 1 ≤ a ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements that appear …
Tag: python collections.Counter
Intersection of Three Sorted Arrays using Three Pointers
Given three integer arrays arr1, arr2 and arr3 sorted in strictly increasing order, return a sorted array of only the integers that appeared in all three arrays. Example 1: …
Python Method to Find the Largest Unique Number in an Array
Given an array of integers A, return the largest integer that only occurs once. If no integer occurs once, return -1. Example 1: Input: Output: 8 Explanation: The maximum …