Merging One List with Another


#include <iostream>
#include <list>
using namespace std;
int main()
{
  list<int> listObject1, listObject2;
  int i;
  for(i=0; i<10; i+=2) listObject1.push_back(i);
  for(i=1; i<11; i+=2) listObject2.push_back(i);
  cout << "Contents of listObject1:\n";
  list<int>::iterator p = listObject1.begin();
  while(p != listObject1.end()) {
    cout << *p << " ";
    p++;
  }
  cout << endl << endl;
  cout << "Contents of listObject2:\n";
  p = listObject2.begin();  while(p != listObject2.end()) {
    cout << *p << " ";
    p++;
  }
  cout << endl << endl;
  // now, merge the two lists
  listObject1.merge(listObject2);
  if(listObject2.empty())
    cout << "listObject2 is now empty\n";
  cout << "Contents of listObject1 after merge:\n";
  p = listObject1.begin();
  while(p != listObject1.end()) {
    cout << *p << " ";
    p++;
  }
  return 0;
}

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Merging One List with Another : List « Data Structure « C++

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