Algorithms & data structures

Algorithms & data structures

The optimization of programming methods and organization of information to achieve a desired result more efficiently.

Industry: Computer science

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Algorithms & data structures

polynomial hierarchy

Computer science; Algorithms & data structures

The classes of languages accepted by k-alternating Turing machines, over all k≥ 0 and with initial state existential or universal. The bottom level (k=0) is the class P. The next level (k=1) ...

NP

Computer science; Algorithms & data structures

The complexity class of decision problems for which answers can be checked by an algorithm whose run time is polynomial in the size of the input. Note that this doesn't require or imply that an ...

nondeterministic polynomial time

Computer science; Algorithms & data structures

The complexity class of decision problems for which answers can be checked by an algorithm whose run time is polynomial in the size of the input. Note that this doesn't require or imply that an ...

The complexity class of decision problems for which answers can be checked for correctness, given a certificate, by an algorithm whose run time is polynomial in the size of the input (that is, it is ...

NP-hard

Computer science; Algorithms & data structures

The complexity class of decision problems that are intrinsically harder than those that can be solved by a nondeterministic Turing machine in polynomial time. When a decision version of a ...

strongly NP-hard

Computer science; Algorithms & data structures

The complexity class of decision problems which are still NP-hard even when all numbers in the input are bounded by some polynomial in the length of the input.