+Complexity Theory delves into the fundamental limits of [computation](/wiki/computation), exploring the resources like time and memory required for [algorithms](/wiki/algorithms) to solve problems. It classifies problems by their inherent difficulty, revealing what can be efficiently achieved and what remains intractable.
+## See also
+- [Computer Science](/wiki/computer_science)
+- [P vs NP](/wiki/p_vs_np)
+- [Turing Machine](/wiki/turing_machine)
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