不知道,
我就找到一个尺取法的题
P1381
by iMya_nlgau @ 2020-05-27 13:34:40
@[waOooo](/user/211144) [~~这题可以用双指针做~~](https://www.luogu.com.cn/problem/P1102)
by xhQYm @ 2020-05-27 13:49:41
莫队全部题,忽略时间复杂度
或者可以学一下莫队
https://www.cnblogs.com/hyfhaha/p/12936009.html
by hyfhaha @ 2020-05-27 14:23:59