## space complexity

The way in which the amount of storage space required by an algorithm varies with the size of the problem it is solving. Space complexity is normally expressed as an order of magnitude, e.g. O(N^2) means that if the size of the problem (N) doubles then four times as much working storage will be needed.

See also computational complexity, time complexity.

Last updated: 1996-05-08

### Nearby terms:

space bar ♦ space-cadet keyboard ♦ **space complexity** ♦ space key ♦ space leak

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