Solution: Bulls and Cows
Understand how to apply a hash map in a single pass to count bulls and cows in the Bulls and Cows number guessing game. This lesson guides you through designing an optimal algorithm that efficiently tracks digit matches and positions.
We'll cover the following...
We'll cover the following...
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
secretand theguessbut ...