Comment by nayuki | Hacker News Reader

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Comment by nayuki | Hacker News Reader

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This topic happens to be Project Euler problem #92. https://projecteuler.net/problem=92

A similar problem was in Google Code Jam 2009 :)

https://code.google.com/codejam/contest/188266/dashboard

Archived copy, which works with JS disabled:

https://archive.is/2pPTN

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Guru Meditation:

XID: 363037244

Varnish cache server

You can compete against other code golfers for the shortest Happy Numbers solution on code-golf.io https://code-golf.io/happy-numbers

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