Find the length of the longest increasing subsequence in the given array.

a=[2,4,2,1,3,5,6]
longest increasing subsequence = [2,4,5,6]
                               = [1,3,5,6]
                               = [2,3,5,6]
so, length = 4
Solve

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George Berken KARUPPASAMYPANDIYAN M GeeTwo Lorenzo

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