# Putting the Leaderboard in Order: Selection Sort

Put a time trial's leaderboard in order, fastest first, the way you'd do it by hand on a whiteboard, and count what that costs as the board grows: selection sort, and why it pays the same price even for a list that's already in order.

![Cheat sheet: Putting the Leaderboard in Order: Selection Sort](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/35868c84480a41f48d844005f8b72894.webp)

- Category: Data Structures
- Level: Apprentice
- Tags: data structures, Quadratic Time, Selection Sort, Sorting Algorithm
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/ds-selection-sort-cheat-sheet