發送短信 : A bin-packing based heuristic for the integrated inventory and vehicle routing problem

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