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  2. Cycle detection - Wikipedia

    en.wikipedia.org/wiki/Cycle_detection

    Practical cycle-detection algorithms do not find λ and μ exactly. [1] They usually find lower and upper bounds μ l ≤ μ ≤ μ h for the start of the cycle, and a more detailed search of the range must be performed if the exact value of μ is needed. Also, most algorithms do not guarantee to find λ directly, but may find some multiple kλ ...

  3. Loop unrolling - Wikipedia

    en.wikipedia.org/wiki/Loop_unrolling

    Loop unrolling, also known as loop unwinding, is a loop transformation technique that attempts to optimize a program's execution speed at the expense of its binary size, which is an approach known as space–time tradeoff. The transformation can be undertaken manually by the programmer or by an optimizing compiler.

  4. Modular exponentiation - Wikipedia

    en.wikipedia.org/wiki/Modular_exponentiation

    Initialise c = 1 and loop variable e′ = 0; While e′ < e do Increment e′ by 1; Calculate c = (b ⋅ c) mod m; Output c; Note that at the end of every iteration through the loop, the equation c ≡ b e′ (mod m) holds true. The algorithm ends when the loop has been executed e times. At that point c contains the result of b e mod m.

  5. Josephus problem - Wikipedia

    en.wikipedia.org/wiki/Josephus_problem

    Claude Gaspar Bachet de Méziriac's interpretation of the Josephus problem with 41 soldiers and a step size of 3, showing that places 16 and 31 are last to be killed – time progresses inwards along the spiral, green dots denoting live soldiers, grey dead soldiers, and crosses killings

  6. LeetCode - Wikipedia

    en.wikipedia.org/wiki/LeetCode

    LeetCode LLC, doing business as LeetCode, is an online platform for coding interview preparation. The platform provides coding and algorithmic problems intended for users to practice coding . [ 1 ] LeetCode has gained popularity among job seekers in the software industry and coding enthusiasts as a resource for technical interviews and coding ...

  7. Boyer–Moore majority vote algorithm - Wikipedia

    en.wikipedia.org/wiki/Boyer–Moore_majority_vote...

    In all cases, the loop invariant is maintained. [1] After the entire sequence has been processed, it follows that no element x ≠ m can have a majority, because x can equal at most one element of each unequal pair and none of the remaining c copies of m. Thus, if there is a majority element, it can only be m. [1]

  8. Clique problem - Wikipedia

    en.wikipedia.org/wiki/Clique_problem

    To find a maximum clique, one can systematically inspect all subsets, but this sort of brute-force search is too time-consuming to be practical for networks comprising more than a few dozen vertices. Although no polynomial time algorithm is known for this problem, more efficient algorithms than the brute-force search are known.

  9. Fisher–Yates shuffle - Wikipedia

    en.wikipedia.org/wiki/Fisher–Yates_shuffle

    After loop iteration i, the first i elements of the array contain a random permutation. Each loop iteration maintains this property while increasing i . Alternatively, it can be shown that there are n ! different sequences of random numbers j , and each corresponds with a different permutation.