16-01-02.cpp

more efftive 代码

#include <iostream>
#include <list>
#include <algorithm>
#include <iterator>
#include <cassert>
using namespace std;

int main()
{
  list<int> L1;
  L1.push_back(0);
  L1.push_front(1);
  L1.insert(++L1.begin(), 3);

  list<int> L2;
  L2.push_back(4);
  L2.push_front(2);
  
  L1.sort();
  L2.sort();
  L1.merge(L2);
  assert(L1.size() == 5);
  assert(L2.size() == 0);
  L1.reverse();
  copy(L1.begin(), L1.end(), ostream_iterator<int>(cout, " "));
  cout << endl;
}