Find the repeating and the missing value with time complexity O(n)[With Python Code].

Jun 11, 2021 · 2 min read · Problem Statement: Given an array arr[ ] of size N, each integer from the range [1, N] appears exactly once except A which appears twice and B which is missing. The task is to find the numbers A and B. Examples: Input: arr[ ] = {2, 1, 2} Output: Mis...