Day 385

[vaskoz]

Good morning! Here's your coding interview problem for today.

This problem was asked by Apple.

You are given a hexadecimal-encoded string that has been XOR'd against a single char.

Decrypt the message. For example, given the string:

7a575e5e5d12455d405e561254405d5f1276535b5e4b12715d565b5c551262405d505e575f
You should be able to decrypt it and get:

Hello world from Daily Coding Problem

[vaskoz]

Used only English letters: https://en.wikipedia.org/wiki/Letter_frequency#Relative_frequencies_of_letters_in_the_English_language