發送短信 : THE MINIMUM DIAMETER OF COMPLETE MULTIPARTITE GRAPHS

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