Leetcode Problem 2085. Count Common Words With One Occurrence

2085. Count Common Words With One Occurrence

Leetcode Solutions

Using Hash Maps to Count Unique Words

  1. Initialize two empty hash maps, freq1 and freq2.
  2. Iterate over words1, incrementing the count of each word in freq1.
  3. Iterate over words2, incrementing the count of each word in freq2.
  4. Initialize a variable count to 0 to keep track of the number of common words with one occurrence.
  5. Iterate through the items in freq1.
  6. For each word, check if it has a count of 1 in freq1 and also exists in freq2 with a count of 1.
  7. If both conditions are met, increment count.
  8. Return the value of count.
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