advanced_cpp_practice/7_vectors.cpp at main · Mayakshanesht/advanced_cpp_practice · GitHub

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// constructing vectors
// constructing vectors
#include <iostream>
#include <vector>

using namespace std;

  void printVector(vector<int> vIn);
  void assignFunction(vector<int> vInts, int in);
  void pushBackFunction(vector<int> vInts, int in);
  void emplaceFunction(vector<int> vInts, int loc, int in);

 void printVector(vector<int> vIn)
 {//printing the contents of vIns
  vector<int>::iterator it;

  for (it = vIn.begin(); it != vIn.end(); ++it)
    std::cout<<*it<<" ";
 }

  void assignFunction(vector<int> vInts, int in)
  {
      cout<<"\nassigning "<<in<<" and printing the vector\n";
      vInts.assign(1, in);
      printVector(vInts);
  }
  void pushBackFunction(vector<int> vInts, int in)
  {
      cout<<"\npush back "<<in<<" and printing the vector\n";
      vInts.push_back(in);
      printVector(vInts);
  }
  void emplaceFunction(vector<int> vInts,  int loc, int in)
  {
      vector<int>::iterator it;
      cout<<"\nemplacing "<<in<<" and printing the vector\n";
      it  = vInts.begin() + loc;
      vInts.emplace(it, in);
      printVector(vInts);
  }

  int main ()
{
  vector<int> vInts;
  vInts.assign(10, 5);
  printVector(vInts);
  assignFunction(vInts, 1);
  pushBackFunction(vInts, 2);
  emplaceFunction(vInts,1, 3);

  return 0;
}