摘要：
##题面 Problem Description In an online game, "Lead of Wisdom" is a place where the lucky player can randomly get powerful items. There are k types of i 阅读全文
摘要：
##题面 TT and FF are ... friends. Uh... very very good friends -________-b FF is a bad boy, he is always wooing TT to play the following game with him. 阅读全文