發送短信 : Dynamic programming for QFD optimization

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