#include <iostream.h> #include <stl.h> void print (vector<double>& vector_) { for (int i = 0; i < vector_.size (); i++) cout << vector_[i] << " "; cout << endl; } int main () { vector<double> v1; // Empty vector of doubles. v1.push_back (32.1); v1.push_back (40.5); vector<double> v2; // Another empty vector of doubles. v2.push_back (3.56); cout << "v1 = "; print (v1); cout << "v2 = "; print (v2); v1.swap (v2); // Swap the vector's contents. cout << "v1 = "; print (v1); cout << "v2 = "; print (v2); v2 = v1; // Assign one vector to another. cout << "v2 = "; print (v2); return 0; }