Tip 1 : do join an online course
Tip 2 : Practise competitive questions
Tip 3 : do projects
Tip 1 : do projects
Tip 2 : Don't put false information on resume.



Input: 'arr' = [2, 2, 2, 2, 0, 0, 1, 0]
Output: Final 'arr' = [0, 0, 0, 1, 2, 2, 2, 2]
Explanation: The array is sorted in increasing order.



If the input tree is as depicted in the picture:
The Left View of the tree will be: 2 35 2
Personality based question.

Here's your problem of the day
Solving this problem will increase your chance to get selected in this company
Which data structure is used in the implementation of recursion?