發送短信 : On the Symbol-Pair Distance of Repeated-Root Constacyclic Codes of Prime Power Lengths*

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