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Hash-Table

Frequency Tracker

November 29, 2024 · 6 min ·  Tags List of tags for the post   design ·  hash-table ·  leetcode ·  Last updated: Aug 2, 2025

Grid Illumination

November 29, 2024 · 9 min ·  Tags List of tags for the post   array ·  hash-table ·  leetcode ·  Last updated: Aug 2, 2025

Group the People Given the Group Size They Belong To

High Five

High-Access Employees

Implement Magic Dictionary

Implement Trie II (Prefix Tree)

Intersection of Multiple Arrays

Intervals Between Identical Elements

Jewels and Stones

November 29, 2024 · 3 min ·  Tags List of tags for the post   hash-table ·  leetcode ·  string ·  Last updated: Aug 2, 2025
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