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Learn to solve intermediate-level LeetCode problems focusing on hash maps and advanced data structure techniques in this 29-minute programming tutorial. Tackle two challenging problems: "Top K Frequent Elements" and "Group Anagrams," building upon foundational hash map concepts to handle more complex algorithmic scenarios. Practice implementing efficient solutions that demonstrate advanced hash map usage patterns, frequency counting, and string manipulation techniques commonly tested in technical interviews. Develop problem-solving strategies for identifying when hash maps provide optimal solutions for grouping, counting, and organizing data structures in competitive programming contexts.
