Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Concept explainers

Computational Systems
The computation systems can be defined as the systems that are capable of solving a problem that includes calculations either mathematical or logical, and are able to produce the result as an output. For example, a simple calculator that is given a set o…
Question

Looking at the following algorithm, please give an analysis of it in terms of time complexity using mathematics and put it in big O notation!

 

Algorithm A:

 

k := 0

 

For i = 1 to n:

 

      For j = (i + 1) to n:

 

            k = k + j + i

 

Return k

 

 

 

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Can you try to go more in detail about why the inner loop runs n-1 times? I'm still not quite getting how the loops work

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Can you try to go more in detail about why the inner loop runs n-1 times? I'm still not quite getting how the loops work

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