13 lines
271 B
C++
13 lines
271 B
C++
#pragma once
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#include <vector>
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/**
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* Generate all permutations of a vector.
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*
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* @param a: vector containing the elements to permute.
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*
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* @return a vector with all permutations of `a`.
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*/
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template<typename T>
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std::vector<std::vector<T>> perm(std::vector<T> a);
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