Sorting Algorithms: What They Are and Why You Should Learn Them
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Questions and Answers

What is a sorting algorithm?

A process that arranges data in a specific order.

Why should you learn sorting algorithms?

To better understand other algorithms and improve coding efficiency.

Name two common sorting algorithms.

Merge sort and Quick sort.

How do sorting algorithms help in organizing data?

<p>By arranging data in a specific order for analysis.</p> Signup and view all the answers

What can learning sorting algorithms help with in programming interviews?

<p>Handling coding challenges that involve sorting algorithms.</p> Signup and view all the answers

What is the first step in the trick for quickly multiplying a number by 9?

<p>Write down the number you want to multiply by 9.</p> Signup and view all the answers

What is the second digit of the final answer when multiplying a number by 9 using the trick?

<p>The result after subtracting the first digit from 9.</p> Signup and view all the answers

In the example 9 x 728, what is the first digit of the final answer?

<p>7</p> Signup and view all the answers

What is the final answer when multiplying 9 by 728 using the trick?

<p>6,552</p> Signup and view all the answers

How can the trick for multiplying by 9 save time and mental effort?

<p>By avoiding traditional multiplication methods and using a simpler technique.</p> Signup and view all the answers

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