Practice Bulls and Cows
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Bulls and Cows
Given the digit strings secret and guess, return a hint in the form "xAyB". A bull is a guessed digit that matches the secret at the same position. After excluding bulls, a cow is a remaining guessed digit that can be matched to the same digit at a different position in the secret. Count each occurrence at most once, including when digits repeat. Let x be the number of bulls and y the number of cows.
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Problem Statement
Given the digit strings secret and guess, return a hint in the form "xAyB". A bull is a guessed digit that matches the secret at the same position. After excluding bulls, a cow is a remaining guessed digit that can be matched to the same digit at a different position in the secret. Count each occurrence at most once, including when digits repeat. Let x be the number of bulls and y the number of cows.
Source: Bulls and Cows on LeetCode. Use the original task for its coding environment and submissions.
Bulls and Cows
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Examples
# Example 1
secret = "1807", guess = "7810"
"1A3B"
# Example 2
secret = "1123", guess = "0111"
"1A1B"
Constraints
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