Open suchismith opened 5 years ago
Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array.
Formally the function should:
Return true if there exists i, j, k such that arr[i] < arr[j] < arr[k] given 0 ≤ i < j < k ≤ n-1 else return false.
Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array.
Formally the function should: