發送短信 : Adaptive algorithm for dial-a-ride problem with vehicle breakdown

           _    _    _____       ___     __   _   
  ____    | || | || |  __ \\    / _ \\  | || | || 
 |    \\  | || | || | |  \ ||  | / \ || | '--' || 
 | [] ||  | \\_/ || | |__/ ||  | \_/ || | .--. || 
 |  __//   \____//  |_____//    \___//  |_|| |_|| 
 |_|`-`     `---`    -----`     `---`   `-`  `-`  
 `-`