發送短信 : Number of 4-kings in bipartite tournaments with no 3-kings

اكتمل التصدير —  

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