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It's a fast multiplication algorithm. It reduces the multiplication of two n-digit numbers to at most . Discovered by Anatolii Alexeevitch Karatsuba.
I searched it up :3
Anatolii Alexeevitch Karatsuba was born on 1937-01-31.
Anatolii Alexeevitch Karatsuba died on 2008-09-28.
What is FIFO algorithm?
They are different because standard algorithm is more common then the expanded algorithm