Parachuting robots – a programming puzzle
Interactive version of robots with parachutes puzzle.
Parachuting robots – a programming puzzle launched on October 30, 2015 with 60 votes, #1,398 of 4,175 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Parachuting Robots is an interactive programming puzzle where users write code to make two robots collide after landing at random locations on an infinite line. Players use a provided instruction set to program both robots, which run simultaneously. The puzzle requires logical thinking to calculate movements and coordinate the robots' paths to meet. It's designed for anyone interested in programming challenges and problem-solving.
written from the facts on this page · September 2026
From the sources
Two robots are to be parachuted onto random locations on an infinite line. When they land, their parachutes detach and remain where they are. The robots may be programmed from the following instruction set: Each of these instruction can be prepended by an optional label ( label : instruction ). Your goal is to program the robots to meet (collide). They both run the samefrom david-peter.de
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