Math for Interviews Sheet

    Counting, probability, modular arithmetic, bit tricks and complexity — 12 patterns, 60 topics.

    12 Patterns60 Topics

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    6 patterns, 30 topics — the ones that come up first

    6 patterns
    1
    Counting & Combinatorics5 topics
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    5 sub
    Permutations, Combinations and the Choose Function
    core
    Inclusion-Exclusion
    important
    Stars and Bars and Distribution Problems
    important
    Catalan Numbers and Structural Counting
    depth
    The Pigeonhole Principle
    depth
    2
    Probability Fundamentals5 topics
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    5 sub
    3
    Modular Arithmetic & Number Theory5 topics
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    5 sub
    4
    Bit Manipulation & Binary Math5 topics
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    5 sub
    5
    Complexity, Recurrences & Growth5 topics
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    5 sub
    6
    Linear Algebra Essentials5 topics
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    5 sub

    Deep Dive

    6 patterns, 30 topics for full coverage

    6 patterns
    Math for Interviews Sheet