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Results tagged with algorithms
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user 481608
Informally, an algorithm is a set of explicit instructions used to solve a problem (e.g. Euclid's algorithm for computing the greatest common divisor of two integers). For more specific questions on algorithms, this tag may be used in conjunction with the approximation-algorithms, algorithmic-randomness and algorithmic-topology tags.
15
votes
1
answer
523
views
Make $n$ numbers equal using pairwise averages
Given $n$ rational numbers. Every time you can delete $2$ numbers, and add 2 numbers which are equal to $\frac{a+b}{2}$ (assume the number you delete is $a$ and $b$). How to judge whether it is possib …
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