Increasing Triplet Subsequence
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.Example
Input: [1,2,3,4,5]
Output: trueInput: [5,4,3,2,1]
Output: falseNote
Code
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