Problem 42709. Find 1's Complement

Find 1's complement of a binary number

For Example:

x = 10011010

1's complement of x = 01100101

Solve

Last Solution submitted on Nov 13, 2025

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Björn on 10 Jan 2016

Required output is an array of single digits.

George-Felix Leu on 10 Jan 2016

What is the input? Number? String?
What is the output? Array of digits, as Bjorn said?

Amr Kamel on 13 Jan 2016

nice one

Tanzil Bin Hassan on 13 Jan 2016

Nice One! :v

Raihan Ahmed on 12 Apr 2016

input is a number and the output should be an array

Raihan Ahmed on 28 Aug 2016

I have updated the test case. Solvers should check if their solution sill works. Happy coding

Jan Orwat on 30 Aug 2016

How are we supposed to determine the number of leading zeros? (5th test)

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