How to select a random element in std::set?
Posted
by dehmann
on Stack Overflow
See other posts from Stack Overflow
or by dehmann
Published on 2010-06-16T11:26:11Z
Indexed on
2010/06/16
11:32 UTC
Read the original article
Hit count: 144
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.
© Stack Overflow or respective owner