Leetcode Problem 822. Card Flipping Game

822. Card Flipping Game

Leetcode Solutions

Set-based Approach to Find Minimum Good Integer

  1. Initialize an empty set called bad_numbers.
  2. Loop through each index i of the fronts and backs arrays.
    • If fronts[i] is equal to backs[i], add fronts[i] to the bad_numbers set.
  3. Initialize a variable min_good to a large number (e.g., float('inf') in Python or Integer.MAX_VALUE in Java).
  4. Loop through all numbers in fronts and backs arrays.
    • If a number is not in bad_numbers and is less than min_good, update min_good with this number.
  5. If min_good remains unchanged, return 0 as there are no good integers.
  6. Otherwise, return min_good as the minimum good integer.
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Brute Force Search for Minimum Good Integer

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