T1 Closest Cow Wins 题目 Farmer John owns a long farm along the highway that can be considered somew ...

广告 蒟蒻第一次打 USACO，只打了 Bronze 就跑路了。不得不说也有很有意思的题目。接下来就看看题目吧。 由于现在还看不到题目，只给出加工后的题目大意。 T1 Lonely Photo Content 有一个长度为 \(n\) 的字符串 \(s\)，仅包含两种字符：G 和 H ...

Bronze Problem1. Lonely Photo Description 给定一个长度为 \(n\) 的字符串 \(s\)，\(s\) 仅由 G 和 H 组成，求有多少个长度不小于 \(3\) 的子串只包含一个 G 或 H。 \(3\le n \le 5\times ...

题目 Farmer John has recently acquired N new cows (3≤N≤5×105), each of whose breed is either Guernsey ...

题目 Farmer John's cows N are very particular about the room temperature in their barn. Some cows lik ...

题目 Farmer John owns a long farm along the highway that can be considered somewhat like a one-dimens ...

题目 The cows are hard at work trying to invent interesting new games to play. One of their current e ...

题目 Bessie the cow is trying to walk from her favorite pasture back to her barn. The pasture and fa ...