include <iostream>
  using namespace std;
  
  void performTask()
  {
    static bool inited = false;
  
    if (!inited) {
      cout << "initing\n";
      // perform initialization
      inited = true;
    }
  
    // perform the desired task
  }
  
  int main(int argc, char** argv)
  {
    performTask();
    performTask();
  
    return (0);
  }