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What will I learn?

In this puzzle, iterating on a series of 2D coordinates helps you grasp the concepts of comparisons, distance computation, extrapolation. This puzzles works with angle and orientation constraints. You learn to compute the speed of an object using its coordinates at two different times. If you perform well, you can solve this problem using some distance and trajectory optimization.


Genetic Algorithms by Sablier

A Dedicated Landing with a Genetic Algorithm by Di_Masta

Learning Opportunities

This puzzle can be solved using the following concepts. Practice using these concepts and improve your skills.


The goal of this problem is to make you work with 2D coordinates in a big environnement. You will have to manage and extrapolate the speed of a spaceship and make it land on a flat ground at correct speed.

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Your Mars exploration ship takes you above a particularly rocky area. You will have to review and improve your descent technique in order to land your mars rover safely on martian ground.


This medium puzzle is the second in a series of three exercises proposed during the “Mars Lander” past contest. Once solved feel free to try and master the third puzzle « Mars Lander - Episode 3 » on the same topic but with an increased difficulty!