Problem Statement: Given an array, print all the elements which are leaders. A Leader is an element that is greater than all of the elements on its right side in the array. 6 is a leader. In addition ...

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Explanation: Total number of unique elements are 3, i.e[1,2,3] and Therefore return 3 after assigning [1,2,3] in the beginning of the array. Explanation: Total number of unique elements are 4, i.e[1,2 ...