CPP/STL/Set

Set.cpp

#include <iostream>
#include <set>
#include <vector>
#include <cstdlib>
 
#include <algorithm>
 
void TestSet();
void TestSetIsInserted();
 
int main(int argc, char* argv[])
{
  //TestSet();
  TestSetIsInserted();
 
 
  return 0;
}
 
void TestSet()
{
  // Create a set
  std::set<unsigned int> S;
 
  // Add 10 elements to the set
  for(unsigned int i = 0; i < 10; i++)
  {
    S.insert(i);
  }
 
  // Output all of the elements in the set
  for(std::set<unsigned int>::iterator it1 = S.begin(); it1 != S.end(); it1++)
  {
    std::cout << " " << *it1;
  }
 
  std::cout << "Size: " << S.size() << " Empty? " << S.empty() << std::endl;
 
 
}
 
void TestSetIsInserted()
{
  // Create a set
  std::set<unsigned int> S;
 
  typedef std::pair<std::set<unsigned int>::iterator,bool> ReturnType;
 
  // Add 10 elements to the set
  for(unsigned int i = 0; i < 10; i++)
    {
    ReturnType inserted = S.insert(i);
    if(inserted.second)
      {
      std::cout << "Inserted " << i << std::endl;
      }
    else
      {
      std::cout << "Did not insert " << i << std::endl;
      }
    }
 
    ReturnType inserted = S.insert(3);
    if(inserted.second)
      {
      std::cout << "Inserted " << 3 << std::endl;
      }
    else
      {
      std::cout << "Did not insert " << 3 << std::endl;
      }
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
Project(Set)
 
ADD_EXECUTABLE(Set Set.cpp)