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Solution: Bulls and Cows

Explore the solution to the Bulls and Cows number guessing game by learning how to use hash maps to track bulls and cows counts. Understand how to implement a single pass algorithm that efficiently compares secret and guessed numbers, improving your skills in hash map design and problem-solving.

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Statement

You are playing a number guessing game called “Bulls and Cows” with a friend.

You write down a secret number, and your friend tries to guess it. After each guess, you provide a hint based on the following:

  • Bulls: The number of digits that are in the correct position in the guess.

  • Cows: The number of digits that are in both the secret and the guess but ...