21 - Greedy Algorithms: Huffman Codes
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Practice Questions
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What is the main purpose of Huffman coding?
💡 Hint: Think about how encoding methods can affect data size.
Define what a prefix code is.
💡 Hint: Consider why it is important for decoding clarity.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Huffman coding aim to achieve?
💡 Hint: Consider how encoding affects transmission efficiency.
True or False: In Huffman coding, each code can serve as a prefix for another code.
💡 Hint: Remember why unique decoding is crucial.
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Challenge Problems
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Given the character frequencies: A=0.5, B=0.25, C=0.15, D=0.1, construct a Huffman tree and derive the binary codes for each character.
💡 Hint: Remember to always combine the least frequent characters.
Explain how changing the frequency of characters affects the average bits per letter in a Huffman encoding scheme.
💡 Hint: Consider how the principle of shorter codes for frequent letters applies.
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