Mentor|Intern|Data Analytics, Data Science, Artificial Intelligence enthusiast|
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...
![Find the repeating and the missing value with time complexity O(n)[With Python Code].](https://cdn.hashnode.com/res/hashnode/image/upload/v1623435845090/NahjeXgzu1.jpeg?w=1600&h=840&fit=crop&crop=entropy&auto=compress,format&format=webp)