Bubblesort using typename template

bubblesort_typename.cpp

#include <iostream>
#include <fstream>
#include <vector>

using std::vector;
using std::cout;
using std::endl;

template<typename T>
void print(vector<T> l) {

     int i, 
         n = l.size();

     for(i = 0; i < n; ++i) {

         cout<<l[i]<<" "; 
     }

     cout<<endl;
};

template<typename T>
void bubblesort(vector<T>& v) {

     bool finished = 0, 
          swapped; 
     int  last = v.size();
     
     while(!finished) {

            swapped = false;

            for(int i = 0; i < last - 1; ++i) {

                if(v[i] > v[i+1]) {

                   T aux = v[i];
                     v[i] = v[i+1];
                     v[i+1] = aux;
                     swapped = true;   
                }
            } 

            if( swapped ) last--;
                else      finished = true; 
     }
};


template<typename T>
vector<T> _bubblesort(vector<T> l) {

     vector<T> v = l;

     bool finished = 0, 
          swapped; 
     int  last = l.size();


     
     while(!finished) {

            swapped = false;

            for(int i = 0; i < last - 1; ++i) {

                if(v[i] > v[i+1]) {

                   T aux = v[i];
                     v[i] = v[i+1];
                     v[i+1] = aux;
                     swapped = true;   
                }
            } 

            if( swapped ) last--;
                else      finished = true; 
     }

     return v;
};

int main() {

 vector<int> v = {9,8,7,6,5,4,3,2,1,90};

 cout<<"Unsorted list -> ";

 print(v); 

 cout<<"Sorted list   -> ";

 v = _bubblesort(v);

 print(v);

 return(0);
};