Coyote (npub1w7x…pc4w) d (npub15fk…j9gr) OP says
#include <vector>
#include <algorithm>
int main()
{
int a;
std::vector< std::vector <int> > v;
std::vector< std::vector <int> >::const_iterator it = std::find( v.begin(), v.end(), a );
}
with gcc