Compare two containers : vector compare « Vector « C++

1. C++
2. Vector
3. vector compare

Compare two containers

   
#include <iostream>
#include <vector>

using namespace std;

void show(const char *msg, vector<char> vect);

int main() {
  vector<char> v;

  vector<char> v2(v);
  if(v == v2) 
     cout << "v and v2 are equivalent.\n\n";

  cout << "Insert more characters into v and v2.\n";
  v.insert(v.end(), 'D');
  v.insert(v.end(), 'E');
  v2.insert(v2.end(), 'X');
  show("The contents of v: ", v);
  show("The contents of v2: ", v2);
  cout << "\n";

  if(v < v2) 
     cout << "v is less than v2.\n\n";

  v.insert(v.begin(), 'Z');
  show("The contents of v: ", v);

  if(v > v2) 
     cout << "Now, v is greater than v2.\n\n";

  v2.erase(v2.begin());
  show("v2 after removing the first element: ", v2);

  vector<char> v3;
  v3.insert(v3.end(), 'X');
  v3.insert(v3.end(), 'Y');
  v3.insert(v3.end(), 'Z');
  show("The contents of v3: ", v3);

  cout << "Exchange v and v3.\n";
  v.swap(v3);
  show("The contents of v: ", v);
  show("The contents of v3: ", v3);

  v.clear();
  if(v.empty())  
     cout << "v is now empty.";

  return 0;
}

void show(const char *msg, vector<char> vect) {
  vector<char>::iterator itr;

  cout << msg << endl;
  for(itr=vect.begin(); itr != vect.end(); ++itr)
    cout << *itr << endl;
}
  
    
    
  

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