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  2. Stable roommates problem - Wikipedia

    en.wikipedia.org/wiki/Stable_roommates_problem

    a:(b,c,d), b:(c,a,d), c:(a,b,d), d:(a,b,c) In this ranking, each of A, B, and C is the most preferable person for someone. In any solution, one of A, B, or C must be paired with D and the other two with each other (for example AD and BC), yet for anyone who is partnered with D, another member will have rated them highest, and D's partner will ...

  3. Langford pairing - Wikipedia

    en.wikipedia.org/wiki/Langford_pairing

    Langford pairings are named after C. Dudley Langford, who posed the problem of constructing them in 1958. Langford's problem is the task of finding Langford pairings for a given value of n. [1] The closely related concept of a Skolem sequence [2] is defined in the same way, but instead permutes the sequence 0, 0, 1, 1, ..., n − 1, n − 1.

  4. 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 ...

  5. Subset sum problem - Wikipedia

    en.wikipedia.org/wiki/Subset_sum_problem

    n - the number of input integers. If n is a small fixed number, then an exhaustive search for the solution is practical. L - the precision of the problem, stated as the number of binary place values that it takes to state the problem. If L is a small fixed number, then there are dynamic programming algorithms that can solve it exactly.

  6. Sexy prime - Wikipedia

    en.wikipedia.org/wiki/Sexy_prime

    In number theory, sexy primes are prime numbers that differ from each other by 6.For example, the numbers 5 and 11 are both sexy primes, because both are prime and =.. The term "sexy prime" is a pun stemming from the Latin word for six: sex.

  7. Barn Cat Blows Off Work To Hang With Senior Horse Best ... - AOL

    www.aol.com/lifestyle/barn-cat-blows-off-hang...

    In this video, we meet Peaches, an average barn cat who doesn’t mind blowing off work to chill with her BFF, a senior horse.Though Peaches was adopted and given a home in this family’s barn to ...

  8. Trump could be offered second state visit to UK, Telegraph ...

    www.aol.com/news/trump-could-offered-second...

    Downing Street and the Foreign Office are preparing to offer the incoming U.S. president an invitation once he is back in the White House, the report said, without citing specific sourcing. The ...

  9. Closest pair of points problem - Wikipedia

    en.wikipedia.org/wiki/Closest_pair_of_points_problem

    The closest pair of points problem or closest pair problem is a problem of computational geometry: given points in metric space, find a pair of points with the smallest distance between them. The closest pair problem for points in the Euclidean plane [ 1 ] was among the first geometric problems that were treated at the origins of the systematic ...