Makefile

all:
        g++ a.cpp -o a
        ./a
clean:
        rm -rf a

vector.cpp

#include <iostream>
#include <string>
#include <vector>

int main()
{
        std::vector<int> v;
        std::vector<int>::iterator it;

        v.push_back(1);
        v.push_back(2);
        v.push_back(3);
        for( it = v.begin(); it != v.end(); it++){
                std::cout << *it << std::endl;
        }
        return 0;
}