Algorithms
Gnome Sort

Gnome sort 🧸

What's Gnome Sort? 💡

Gnome Sort, often humorously referred to as "Stupid Sort," is a simple sorting algorithm that works by repeatedly moving an element to its correct position, much like a gnome who sorts a row of flower pots by looking at them one by one. It is a basic, but not very efficient, sorting algorithm. Gnome Sort can be considered a variation of Insertion Sort, where an element is moved to its proper place by comparing it with the previous element.

Time Complexity: ⏱️

Best CaseAverage CaseWorst Case
O(n)O(n^2)O(n^2)

Space Complexity: ⚙️

Gnome Sort typically has a space complexity of O(1) since it sorts the array in-place, without requiring additional memory for temporary data structures.

Strengths and Weaknesses of Gnome Sort 🤓

Strengths: ⚪️

  • Simplicity: Gnome Sort is straightforward to understand and implement. It can serve as a simple educational example of a sorting algorithm.

Weaknesses: 🔴

  • Inefficiency: Gnome Sort is highly inefficient, especially for larger datasets. It performs poorly compared to more efficient sorting algorithms.

  • Lack of Adaptiveness: It doesn't adapt well to partially sorted data, and its performance is not guaranteed to improve in such cases.

Here's a simple implementation of Gnome Sort in JavaScript:

Code 🖋

gnome-sort.js
const gnomeSort = (arr) => {
  let index = 0;
  while (index < arr.length) {
    if (index === 0 || arr[index] >= arr[index - 1]) {
      index++;
    } else {
      [arr[index], arr[index - 1]] = [arr[index - 1], arr[index]];
      index--;
    }
  }
  return arr;
}
 
const unsortedArray = [71, 75, 17, 91, 7, 11, 95, 5, 9, 6];
const sortedArray = gnomeSort(unsortedArray);
console.log(sortedArray); // [5, 6, 7, 9, 11, 17, 71, 75, 91, 95] 

radix sort

Conclusion 🗯️

Gnome Sort, sometimes humorously called "Stupid Sort," is a simple sorting algorithm that is not recommended for practical use due to its inefficiency, especially for larger datasets. It serves more as a simple educational example or a historical curiosity than a sorting algorithm of choice in real-world applications. There are much more efficient sorting algorithms available.