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    Learning PathDSABit Manipulation Patterns
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    Pattern 14 of 15

    Bit Manipulation Patterns

    Master bit manipulation including XOR tricks, counting bits, power of two checks, and bit masking. Essential for optimization and low-level problems.

    Subpatterns

    4

    Est. Time

    60 min

    Subpatterns

    1.

    Power of Two and Four Check

    Check if number is power of two or four using bitwise operations.

    2.

    XOR for Single and Missing Numbers

    Use XOR properties to find single number, missing number, and duplicates.

    3.

    Counting Bits with DP

    Count bits for range of numbers using DP with bit manipulation optimization.

    4.

    Hamming Weight - Counting Set Bits

    Count number of 1 bits (Hamming weight) using bitwise AND operations.

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