Regarding execution time limit in array based questions.

What is the maximum time complexity that can get your submission accepted for time limit of 2sec when N=100000.

O(NlogN)

It also depends on the number of testcases.

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The most is O(x\sqrt{x}) or O(N log2 N)

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Though it depends on test cases too, as stated before you’ll be good in (NlogN).

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