HDU 3038 How Many Answers Are Wrong 带权并查集

一、内容 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. This is a very humdrum game. To begin with, TT should write down a sequence of integers-_-!!(bored). Then, FF can choose a continuous subsequence fro