How to select a random element in std::set?
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Published on 2010-06-16T11:26:11Z
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2010/06/16
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How can I select a random element in an std::set?
I naively tried this:
int GetSample(const std::set<int>& s) {
double r = rand() % s.size();
return *(s.begin() + r); // compile error
}
But the operator+ is not allowed in this way.
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