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Results tagged with algorithms
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user 21156
An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to design and analysis of algorithms.
2
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Algorithm for approximation with sum or difference of 2 unit fractions
Let $U =\{\frac{1}{n}: n\in \mathbb{N}\} \cup \{-\frac{1}{n}: n\in \mathbb{N}\}$ be the set of positive or negative unit fractions.
Given positive integers $m<n \in\mathbb{N}$, how do you find $u_1, …
2
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1
answer
219
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Splitting permutations into transpositions
Suppose we are given an array $\texttt{a[]}$ of $n$ non-negative integers. The algorithm should give back $\texttt{-1}$ if an integer appears more than once in $\texttt{a[]}$.
Otherwise we interpret …
1
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1
answer
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Finding a 'short' binary sequence not contained in a given binary sequence
Let $k>1$ be an integer, let $n = 2^k$. Let $s: \{0, \ldots, n-1\} \to \{0,1\}$ be any binary sequence of length $n = 2^k$. There are $n - k$ coherent subsequences of $s$ having length $k$, and the to …