DSA Day 20/100

Topic: Searching Questions Successfully Completed: 1 1) Count 1's in a binary arrayEasy Count 1's in a binary array Time Complexity : O(log n) Space Complexity : O(1) QuestionInput: N = 8 arr[] = {1,1,1,1,1,0,0,0} Output: 5 Explanation: Number of 1'...