أرسل هذا في رسالة قصيرة: An Improved Approximation Algorithm for the s-t Path Movement Problem

  ______   _    _    _    _      ___      _____   
 /_   _// | || | || | || | ||   / _ \\   /  ___|| 
   | ||   | || | || | || | ||  | / \ || | // __   
  _| ||   | \\_/ || | \\_/ ||  | \_/ || | \\_\ || 
 /__//     \____//   \____//    \___//   \____//  
 `--`       `---`     `---`     `---`     `---`