#include <stl.h> #include <iostream.h> int main () { typedef vector<int> IntVec; IntVec v1 (10); IntVec v2 (v1.size ()); iota (v1.begin (), v1.end (), 0); iota (v2.begin (), v2.end (), 0); pair <IntVec::iterator, IntVec::iterator> result; result = mismatch (v1.begin (), v1.end (), v2.begin ()); if (result.first == v1.end () && result.second == v2.end ()) cout << "v1 and v2 are the same" << endl; else cout << "mismatch at index: " << (result.first - v1.begin ()) << endl; v2[v2.size()/2] = 42; result = mismatch (v1.begin (), v1.end (), v2.begin ()); if (result.first == v1.end () && result.second == v2.end ()) cout << "v1 and v2 are the same" << endl; else cout << "mismatch at index: " << (result.first - v1.begin ()) << endl; return 0; }