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Increasing Triplet Subsequence

Medium

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Given an array, determine if there exists a increasing subsequence of length 3.

Sample Input:

[1,2,3,4,5]

Sample Output:

true

Hints

Hint 1

Track two smallest values seen so far

Hint 2

If current number > second smallest, triplet exists

Hint 3

Update smallest and second smallest as needed

Code Editor

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