What does it mean when we say a sorting algorithm is performed “in-place”?

a. It doesn't need any additional memory to perform operations
b. It needs additional memory to perform operations
c. It means that the complexity of the algorithm is O(1)
d. It means that the algorithm has a “sibling” that has exactly the same complexity


a. It doesn't need any additional memory to perform operations
We only need the memory allocated for the data structure passed to the function.

Computer Science & Information Technology

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