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

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Text this: The complexity of cyber attacks in a new layered-security model and the maximum-weight, rooted-subtree problem