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  2. Cryptographically secure pseudorandom number generator

    en.wikipedia.org/wiki/Cryptographically_secure...

    In the asymptotic setting, a family of deterministic polynomial time computable functions : {,} {,} for some polynomial p, is a pseudorandom number generator (PRNG, or PRG in some references), if it stretches the length of its input (() > for any k), and if its output is computationally indistinguishable from true randomness, i.e. for any probabilistic polynomial time algorithm A, which ...

  3. Pseudorandom number generator - Wikipedia

    en.wikipedia.org/wiki/Pseudorandom_number_generator

    It can be shown that if is a pseudo-random number generator for the uniform distribution on (,) and if is the CDF of some given probability distribution , then is a pseudo-random number generator for , where : (,) is the percentile of , i.e. ():= {: ()}. Intuitively, an arbitrary distribution can be simulated from a simulation of the standard ...

  4. Rosetta Code - Wikipedia

    en.wikipedia.org/wiki/Rosetta_Code

    Rosetta Code is a wiki-based programming chrestomathy website with implementations of common algorithms and solutions to various programming problems in many different programming languages. [ 1 ] [ 2 ] It is named for the Rosetta Stone , which has the same text inscribed on it in three languages, and thus allowed Egyptian hieroglyphs to be ...

  5. Cyclic redundancy check - Wikipedia

    en.wikipedia.org/wiki/Cyclic_redundancy_check

    The advantage of choosing a primitive polynomial as the generator for a CRC code is that the resulting code has maximal total block length in the sense that all 1-bit errors within that block length have different remainders (also called syndromes) and therefore, since the remainder is a linear function of the block, the code can detect all 2 ...

  6. Sethi–Ullman algorithm - Wikipedia

    en.wikipedia.org/wiki/Sethi–Ullman_algorithm

    The simple Sethi–Ullman algorithm works as follows (for a load/store architecture): . Traverse the abstract syntax tree in pre- or postorder . For every leaf node, if it is a non-constant left-child, assign a 1 (i.e. 1 register is needed to hold the variable/field/etc.), otherwise assign a 0 (it is a non-constant right child or constant leaf node (RHS of an operation – literals, values)).

  7. LeetCode - Wikipedia

    en.wikipedia.org/wiki/LeetCode

    LeetCode supports a wide range of programming languages, including Java, Python, JavaScript, and C. [10] The platform features forums where users can engage in discussions related to problems, the interview process, and share their interview experiences. [4]

  8. Backtracking - Wikipedia

    en.wikipedia.org/wiki/Backtracking

    next(P,s): generate the next alternative extension of a candidate, after the extension s. output(P,c): use the solution c of P, as appropriate to the application. The backtracking algorithm reduces the problem to the call backtrack(P, root(P)), where backtrack is the following recursive procedure:

  9. Heap's algorithm - Wikipedia

    en.wikipedia.org/wiki/Heap's_algorithm

    The induction proof for the claim is now complete, which will now lead to why Heap's Algorithm creates all permutations of array A. Once again we will prove by induction the correctness of Heap's Algorithm. Basis: Heap's Algorithm trivially permutes an array A of size 1 as outputting A is the one and only permutation of A.