Problem 2202. Flip the bit

Created by the cyclist

Solve Later

Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

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Solution Stats

1319 Solutions
520 Solvers

Last Solution submitted on Dec 01, 2025

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

David Young on 20 Feb 2014

The test suite does not check that the solution is a character string, but the problem definition requires that it should.

the cyclist on 20 Feb 2014

Added this check. (I messed it up a bit the first time I tried to do it, so sorry for some interim weirdness.)

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