思路还是比较简单的 dp 吧,但是就是想不出来-甚至类似的方程都被自己推翻了 Description Welcome to Innopolis city. Throughout the whole year, Innopolis citizens suffer from everlasting city construction. From the window in your room, you see the sequence of \(n\) hills, where \(i\)-th o…
嘤嘤嘤,我又来了,刚A完就写,这个沙雕题有丶恶心. ???时间4.11发现所有表情包都莫得了 题目: In an n×n chessboard, Prince and Princess plays a game. The squares in the chessboard are numbered 1, 2, 3, . . . , n∗n, as shown below: Prince stands in square 1, make p jumps and…