#include <stl.h> #include <iostream.h> bool div_3 (int a_) { return a_ % 3 ? 0 : 1; } int main () { typedef vector <int> IntVec; IntVec v (10); for (int i = 0; i < v.size (); i++) v[i] = (i + 1) * (i + 1); IntVec::iterator iter; iter = find_if (v.begin (), v.end (), div_3); if (iter != v.end ()) cout << "Value " << *iter << " at offset " << (iter - v.begin ()) << " is divisible by 3" << endl; return 0; }