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Topic 4 of 21

Hashing Problems

Hashing theory and counting element frequencies, including the highest and lowest frequency element.

3 hashing problems (2 easy, 1 medium) with LeetCode and GeeksforGeeks links.

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Easy
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Medium
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Hard
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  1. Hashing TheoryMediumGFG
  2. Counting Frequencies of Array ElementsEasyGFG
  3. Find the Highest/Lowest Frequency ElementEasyLeetCodeGFG