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How can I find the time complexity of this?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

How can I find the time complexity of this? I'm very confused. The answer is O(n log log n) but how do you derive this without intergals?

Problem
Kernel
12
I start
2
Iend
n
Iincr
i ← i + 2
Jstart
2
Jend
i
Jincr
j← j²

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