Which algorithm is best for sorting 100000 elements?

Normally in a heapsort you build a heap of the entire data set (100,000 elements in your case). Instead, only allow the heap to grow to 20,000 elements. Keep the largest element at the top of the heap.

Which sorting algorithm is best for strings?

Which string-sorting algorithm should I use?

Which sorting is best for large data?

Quicksort is probably more effective for datasets that fit in memory. For larger data sets it proves to be inefficient so algorithms like merge sort are preferred in that case. Quick Sort in is an in-place sort (i.e. it doesn’t require any extra storage) so it is appropriate to use it for arrays.

Can you use sorting algorithms on strings?

Sorting strings by comparisons (e.g. standard QuickSort + strcmp-like function) may be a bit slow, especially for long strings sharing a common prefix (the comparison function takes O(s) time, where s is the length of string), thus a standard solution has the complexity of O(s * nlog n).

Why is Selection sort O n 2?

Based on the the number of swaps we can conclude its complexity as O(n) but in every pass we have to traverse all the remaining elements for comparisons. Therefore the reason of O(n^2) run time for Selection sort is its O(n^2) comparisons in every case.

How are strings sorted?

Strings are sorted alphabetically, and numbers are sorted numerically. Note: You cannot sort a list that contains BOTH string values AND numeric values.

How do you sort a string alphabetically in C++?

1. Constructing list of names. Declare a vector of strings & take each string &insert to the vector. vectornames; for i=0:n-1 input each name; insert name into the vector End for loop.
2. Sorting in alphabetical order. We can sort the vector using our own comparator function to sort the strings in alphabetical order.

Which is the best sort for randomly arranged data?

For large number of data sets, Insertion sort is the fastest. In the practical sorting, this case occurs rarely. Note that randomized Quicksort makes worst cases less possible, which will be the case for in-order data if the pivot point in Quicksort is chosen as the first element.

How do you sort an array of strings?

Sort String Array in Ascending Order or Alphabetical Order

1. import java.util.Arrays;
2. public class SortStringArrayExample2.
3. {
4. public static void main(String args[])
5. {
6. //defining an array of type string.

How to sort a string using string comparison techniques?

If you are sorting only a small number of elements, the easiest and quickest solution is to use string comparison techniques. The CompareStringEx () Win32 functions compare two character strings in a case-sensitive or case-insensitive manner, respectively, following the sorting rules and standards that are defined for the specified user locale.

How do you sort a list of strings in a list?

A List of strings is created and populated with four strings, in no particular order. The list also includes an empty string and a null reference. The list is displayed, sorted using a Comparison generic delegate representing the CompareDinosByLength method, and displayed again.

When should I use linguistic or ordinal sorting in my application?

When designing your application, you must first decide whether it makes sense to use linguistic or ordinal sorting. Linguistic sorting is used when you need to apply the sorting rules of a particular culture to a set of strings that will be displayed to a human, such as a list of music tracks.

Why do some languages have different sort orders of characters?

Languages that include characters outside the Latin script have special sorting rules. Asian languages have several different sort orders depending on phonetics, radical order, number of pen strokes, and so on. Phonetic order can depend on context, such as a phonebook or a dictionary.