http://acm-icpc.aitea.net/index.php?plugin=attach&refer=2013%2FPractice%2F%CC%CF%B5%BC%B9%F1%C6%E2%CD%BD%C1%AA%2F%B9%D6%C9%BE&openfile=C.pdf
ʂ̃TCgɃWv悤ƂĂ܂BXΏL̃NNbNĂ
UPLIFTōLȂő̌܂傤IKȉ{Ct܂I