C++ bubble sort

BubbleSort.cpp

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

void SortVector(vector<int>& myVec);

int main(){
   int size, input;
   cin >> size;           // get size from user.
   vector<int> x(size);
   
   for(int i = 0; i < size; i++){   // list of int from user.
      cin >> input;
      x.at(i) = input;    
   }
   
   SortVector(x);
   
   for(int i = 0; i < size; i++){
      cout << x.at(i) << ' ';
   }
   cout << endl;
}

void SortVector(vector<int>& myVec){
   int n = myVec.size();
   for (int i = 0; i < n-1; i++)
      for (int j = 0; j < n-i-1; j++)
         if (myVec.at(j) > myVec.at(j+1))
         {
            // swap temp and arr[i]
               int temp = myVec.at(j);
               myVec.at(j) = myVec.at(j+1);
               myVec.at(j+1) = temp;
         }
}