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exponential running time

См. также в других словарях:

  • Time complexity — In computer science, the time complexity of an algorithm quantifies the amount of time taken by an algorithm to run as a function of the size of the input to the problem. The time complexity of an algorithm is commonly expressed using big O… …   Wikipedia

  • Exponential time — In complexity theory, exponential time is the computation time of a problem where the time to complete the computation, m ( n ), is bounded by an exponential function of the problem size, n . In other words, as the size of the problem increases… …   Wikipedia

  • Time hierarchy theorem — In computational complexity theory, the time hierarchy theorems are important statements about time bounded computation on Turing machines. Informally, these theorems say that given more time, a Turing machine can solve more problems. For example …   Wikipedia

  • Pseudo-polynomial time — In computational complexity theory, a numeric algorithm runs in pseudo polynomial time if its running time is polynomial in the numeric value of the input (which is exponential in the length of the input its number of digits).An ExampleConsider… …   Wikipedia

  • Linear time — In computational complexity theory, an algorithm is said to take linear time, or O( n ) time, if the asymptotic upper bound for the time it requires is proportional to the size of the input, which is usually denoted n . Informally spoken, the… …   Wikipedia

  • Dead time — For other uses, see Dead Time (disambiguation). For detection systems that record discrete events, such as particle and nuclear detectors, the dead time is the time after each event during which the system is not able to record another event.[1]… …   Wikipedia

  • Polynomial time — In computational complexity theory, polynomial time refers to the computation time of a problem where the run time, m ( n ), is no greater than a polynomial function of the problem size, n .Written mathematically using big O notation, this states …   Wikipedia

  • Space-time tradeoff — In computer science, a space time or time memory tradeoff is a situation where the memory use can be reduced at the cost of slower program execution, or vice versa, the computation time can be reduced at the cost of increased memory use. As the… …   Wikipedia

  • Lenstra elliptic curve factorization — The Lenstra elliptic curve factorization or the elliptic curve factorization method (ECM) is a fast, sub exponential running time algorithm for integer factorization which employs elliptic curves. Technically, the ECM is classified as a… …   Wikipedia

  • показательное время выполнения — Время выполнения алгоритма, которое приблизительно соответствует функции длины входа. Например, если время выполнения алгоритма описывается функцией O(2n), где n количество битов входа, то при увеличении длины входа на один бит (n+1) время… …   Справочник технического переводчика

  • Clique problem — The brute force algorithm finds a 4 clique in this 7 vertex graph (the complement of the 7 vertex path graph) by systematically checking all C(7,4)=35 4 vertex subgraphs for completeness. In computer science, the clique problem refers to any of… …   Wikipedia

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