Select the best description for Memoization

Question $17$Answer

Solves a programming problem by first filling up a table, and then compute the solution to the original problem based on the results in this table.

Also Known as Tabulation

It is used to reduce the complexity of a Fibonacci program from O$(2$n$)$ to a O$($nlogn$)$

Memoization just avoids a function to run for the same inputs more than once.