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

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發送短信 : Repeated-root constacyclic codes of length 2ℓmpn