Use copy() to copy value from one vector to vector : copy « STL Algorithms Non modifying sequence operations « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Non modifying sequence operations
3. copy

#include <algorithm>
#include <vector>
#include <iostream>
using namespace std;

void print(int elem)
{
  cout << elem << " ";
}

int main(int argc, char** argv)
{
  vector<int> vectOne, vectTwo;

  vectOne.push_back(1);
  vectOne.push_back(2);
  vectOne.push_back(3);
  vectOne.push_back(4);

  vectTwo.resize(vectOne.size());
  copy(vectOne.begin(), vectOne.end(), vectTwo.begin());
  for_each(vectTwo.begin(), vectTwo.end(), &print);

  return (0);
}