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EasyInformation Theoryinfo-124

Binary to Gray

Problem

Convert a nonnegative integer to its Gray code representation:

gray = n ^ (n >> 1)

Adjacent integers map to Gray codes that differ in exactly one bit.

Hint

XOR each bit with the next more significant bit.

Test cases

case 1
in: [0]
expected: 0
case 2
in: [1]
expected: 1
case 3
in: [2]
expected: 3
case 4
in: [3]
expected: 2
case 5
in: [7]
expected: 4
case 6
in: [15]
expected: 8
Starter codePython
def binary_to_gray(n):
    # Your code here
    pass

6 test cases · run your code against them in the editor