In computational complexity theory, although it would be a non-formal usage of the term, the time/space complexity of a particular problem in terms of all algorithms that solve it with computational resources (i.e., time or space) bounded by a function of the input's size.
Or it may refer to the time/space complexity of a particular algorithm with respect to solving a particular problem (as above), which is a notion commonly found in analysis of algorithms.
Time complexity is the amount of computer time it takes to run an algorithm.
Topics referred to by the same term
This disambiguation page lists articles associated with the title Algorithmic complexity. If an internal link led you here, you may wish to change the link to point directly to the intended article.