أرسل هذا في رسالة قصيرة: Time-optimal user communication and source reachability algorithms in a two-dimensional grid wireless mobility model

  ______     ___     _    _     _____     _____   
 /_   _//   / _ \\  | |  | ||  |  ___||  |__  //  
 `-| |,-   / //\ \\ | |/\| ||  | ||__      / //   
   | ||   |  ___  |||  /\  ||  | ||__     / //__  
   |_||   |_||  |_|||_// \_||  |_____||  /_____|| 
   `-`'   `-`   `-` `-`   `-`  `-----`   `-----`