DSA Day 16/100

Topic: Hashing Questions Successfully Completed: 1 1) First Repeating ElementEasy First Repeating Element Time Complexity : O(n) Space Complexity : O(n) QuestionInput: n = 7 arr[] = {1, 5, 3, 4, 3, 5, 6} Output: 2 Explanation: 5 is appearing twice a...