# How does the sort function work?

## How does the sort function work?

When the **sort**() **function** compares two values, it sends the values to the compare **function**, and **sorts** the values according to the returned (negative, zero, positive) value. If the result is negative a is **sorted** before b . If the result is positive b is **sorted** before a .

## How do I use the sort function in Excel?

**To sort a range:**

- Select the cell range you want to
**sort**. ... - Select the Data tab on the Ribbon, then click the
**Sort command**. - The
**Sort**dialog box will appear. ... - Decide the sorting order (either ascending or descending). ...
- Once you're satisfied with your selection, click OK.
- The cell range will be
**sorted**by the selected column.

## What is sort command in Excel?

The **Excel SORT function sorts** the contents of a column, columns (range) or array in ascending or descending order. The syntax is: =**SORT**(array, [sort_index], [sort_order], [by_col]) array is the range or array containing the values you want **sorted**. sort_index is optional and indicates the row or column to **sort** by.

## What is the use of sorting feature in Excel?

**Excel's Sort feature** makes it easy to rearrange the records or even the fields in your table of data or data list.

## Why do we use sort feature?

**Sort is** a term **used** to describe the process of organizing data in a particular order allowing for information to be found easier. For example, names and contact information may be **sorted** in alphabetical order to allow the person looking for a name to see if it's available.

## What is sorting very short answer?

**Sorting** is any process of arranging items systematically, and has two common, yet distinct meanings: ordering: arranging items in **a** sequence ordered by some criterion; categorizing: grouping items with similar properties.

## Which is best sorting technique?

The time complexity of Quicksort is O(n log n) in the **best** case, O(n log n) in the average case, and O(n^2) in the worst case. But because it has the **best** performance in the average case for most inputs, Quicksort is generally considered the “fastest” **sorting algorithm**.

## What is memory heap?

A **memory heap** is a location in **memory** where **memory** may be allocated at random access. Unlike the stack where **memory** is allocated and released in a very defined order, individual data elements allocated on the **heap** are typically released in ways which is asynchronous from one another.

## What is a heap programming?

In certain **programming** languages including C and Pascal , a **heap** is an area of pre-reserved computer main storage ( memory ) that a **program** process can use to store data in some variable amount that won't be known until the **program** is running. ... In Pascal, a subheap is a portion of a **heap** that is treated like a stack.

## What is Max heap property?

In computer science, a **heap** is a specialized tree-based data structure which is essentially an almost complete tree that satisfies the **heap property**: in a **max heap**, for any given node C, if P is a parent node of C, then the key (the value) of P is greater than or equal to the key of C.

## Does priority queue sort?

A **PriorityQueue is** what **is** called a binary heap. It **is** only ordered/**sorted** in the sense that the first element **is** the least. In other word, it only cares about what **is** in the front of the **queue**, the rest are "ordered" when needed.

## Which one of the following is a variation of heap sort?

**Which one of the following is a variation of Heap sort**? Explanation: Smooth **sort** is a **variation of Heap sort**. Smooth **sort** has O(nlogn) worst case time complexity like **Heap sort**. But Smooth **sort** takes O(n) time to **sort** the nearly **sorted** input array.

## Why heap sort is not used?

**Heapsort is not** stable because operations on the **heap** can change the relative order of equal items. **Not** all Quicksort implementations are stable. ... But Quicksort will execute faster because its constant factors are smaller than the constant factors for **Heapsort**.

## Does heap sort sort in place?

A run of **heapsort sorting** an array of randomly permuted values. In the first stage of the **algorithm** the array elements are reordered to satisfy the **heap** property. ... **Heapsort is** an in-**place algorithm**, but it **is** not a **stable sort**.

## What is the first action in an insertion sort?

To perform an **insertion sort**, begin at the left-most element of the array and invoke **Insert** to **insert** each element encountered into its correct position. The ordered sequence into which the element is inserted is stored at the beginning of the array in the set of indices already examined.

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