摘要：
链接：https://ac.nowcoder.com/acm/contest/1082/F来源：牛客网 题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for 阅读全文
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https://www.luogu.org/problem/P2957 题目描述 The cows enjoy mooing at the barn because their moos echo back, although sometimes not completely. Bessie, ev 阅读全文
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链接：https://ac.nowcoder.com/acm/contest/1082/K 题目描述 Bessie, like so many of her sisters, has put on a few too many pounds enjoying the delectable grass 阅读全文
摘要：
链接：https://ac.nowcoder.com/acm/contest/1082/C来源：牛客网 题目描述 N位同学站成一排，音乐老师要请其中的(N-K)位同学出列，使得剩下的K位同学排成合唱队形。 合唱队形是指这样的一种队形：设K位同学从左到右依次编号为1，2…，K，他们的身高分别为T1，T 阅读全文