Beat the Algorithm
Think like a computer
How does a computer sort, search and find its way? Trace a sort step by step, think like binary search and find the shortest route. Three quick rounds every day.
Today’s challenge: choose a difficulty
- EasyWarm-up rounds · up to 10 XP eachPlay
- MediumThe classic · up to 15 XP eachPlay
- HardFor experts · up to 20 XP eachPlay
How to play
- 13 short rounds every day — one for each mode.
- 2Pick your answer and check it. Daily answers are checked on the server, so everyone plays fair.
- 3Read the explanation: every reveal shows the real numbers behind the trick.
- 4Come back tomorrow: a new challenge unlocks at midnight, Tashkent time. Keep your streak going!
Modes · 3 modes
Trace the sort
Predict the list after a few passes of a sorting algorithm.
Binary search
Tap the positions binary search checks, in order.
Shortest path
Find the shortest route across a small map.
What you will learn
- Follow how bubble, selection and insertion sort move numbers around
- Understand why binary search needs so few checks
- Find shortest paths and see where the greedy shortcut goes wrong