Problem 1339. Travelling Salesman Problem (TSP)

Created by Alex P.

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Find a short way through given points. This is the travelling salesman problem. But the solution should be a fast and small function.
http://en.wikipedia.org/wiki/Travelling_salesman_problem
Have fun!

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496 Solutions
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Last Solution submitted on Dec 23, 2025

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Jan Orwat on 16 Dec 2015

This problem needs an update due to changes in scoring system in Cody

Rafael S.T. Vieira on 20 Sep 2020

You need to specify the comparison method when sorting complex numbers. Any change done to the order of elements currently creates an invalid solution (even sorting elements), and I guess the one that you want is 'real'. Or don't use complex numbers and create pair of values [x,y]. I've commented my solution. Futhermore, the function calculateSize no longer exists.

ChrisR on 30 May 2022

Would someone please fix the test? The function calculateSize does not exist.

Dyuman Joshi on 30 May 2022

The test suite has been fixed, Chris. You can now attempt the question.

ChrisR on 31 May 2022

Thanks Dyuman

ihcati. on 12 Nov 2025

I overthought this problem for so long until I noticed the special pattern in the test case. That’s when I realized there’s such a short and elegant solution, haha. Really fun and tricky one!

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Problem 1339. Travelling Salesman Problem (TSP)

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Last 200 Solutions

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Problem Recent Solvers116

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Problem 1339. Travelling Salesman Problem (TSP)

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Last 200 Solutions

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Solution Comments

Problem Recent Solvers116

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