we need to remove ‘K’ numbers from the array such that we are left with maximum distinct numbers. Explanation: We can remove two occurrences of 3 to be left with 3 distinct numbers [7, 3, 8], we have ...

//A peak element is an element that is greater than its neighbors. //Given an input array where num[i] ≠ num[i+1], find a peak element and return its index. //The array may contain multiple peaks, in ...