# Big o questions and answers

## The Missing Piece Meets the Big O — Reader Q&A

## Big O notation made easy

## All you need to know about “Big O Notation” to crack your next coding interview

What do you know about the big-O notation and can you give some examples with respect to dierent data structures? The Big-O notation simply describes how well an algorithm scales or performs in the worst case scenario as the number of elements in a data structure increases. The Big-O notation can also be used to describe other behavior such as memory consumption. At times you may need to choose a slower algorithm because it also consumes less memory. Big-o notation can give a good indication about performance for large amounts of data, but the only real way to know for sure is to have a performance benchmark with large data sets to take into account things that are not considered in Big-O notation like paging as virtual memory usage grows, etc.

As part of my software development education I enrolled in a program called Microverse , I needed to build up skills in various areas to become fully prepared for my first software position. And any software education program worth their salt will include a fair portion of the curriculum geared towards getting ready for the infamous coding interview. So to this end, at the start of every single day, I work on solving algorithms, as this is a major part and to many the most difficult part of most coding interviews. It is a pretty abstract and very esoteric concept that the vast majority of people will never hear about, or care about. Huge mountains of data. And making use of that data is what coding is for. In order for a program to make use of data, it often needs to start by sorting that data into a logical order.

Questions and Answers. Remove Excerpt. Removing Indicate constant time complexity in terms of Big-O notation. A. O(n). B. O(1). C. O(logn).

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## Description:

Cool, watch your inbox! Big O notation can seem tricky at first, but it's easy to master with a bit of practice. First, read our intro to big O notation. Seriously, go do that now. I'll wait.

Using big-O notation in terms of the parameter n , how much time does the following method take? Give the tightest and simplest bound possible, and justify your answer. Each of the below methods determine m n without using Math. Using big-O notation in terms of n , how much time does each take? Give the tightest and simplest bounds possible, and justify your answers. Using big-O notation in terms of the parameter n , how much time does the below method take? The below method finds and removes all duplicated numbers in the parameter array.

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What do you know about the big-O notation and can you give some examples with respect to dierent data structures?

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Test your knowledge of the Big-O space and time complexity of common algorithms and data structures. See how many you Answer Questions. Or try some.

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From kaiser to fuhrer germany 1900 45 nobel prize winning author of doctor zhivago