Leetcode Problem 1178. Number of Valid Words for Each Puzzle

1178. Number of Valid Words for Each Puzzle

Leetcode Solutions

Initialize a map to store the frequency of each bitmask representing a word.
For each word in words, create a bitmask by setting the bit corresponding to each unique letter in the word.
Increment the frequency of the bitmask in the map.
Initialize a list to store the number of valid words for each puzzle.
For each puzzle in puzzles, do the following: a. Create a bitmask for the puzzle. b. Initialize the count of valid words to 0. c. Generate all submasks of the puzzle bitmask that include the first letter of the puzzle. d. For each submask, add the frequency of the submask from the map to the count.
Add the count to the list of valid words for the puzzle.
Return the list of valid words counts for all puzzles.

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