發送短信 : The Relative Isolation Probability of a Vertex in a Multiple-Source Edge-Weighted Graph

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