P3056 [USACO12NOV]笨牛Clumsy Cows 题目描述 Bessie the cow is trying to type a balanced string of parentheses into her new laptop, but she is sufficiently clumsy (due to her large hooves) that she keeps mis-typing characters. Please help her by computing th…

P3056 [USACO12NOV]笨牛Clumsy Cows 题目描述 Bessie the cow is trying to type a balanced string of parentheses into her new laptop, but she is sufficiently clumsy (due to her large hooves) that she keeps mis-typing characters. Please help her by computing th…

洛谷 P3056 [USACO12NOV]笨牛Clumsy Cows 洛谷传送门 JDOJ 2323: USACO 2012 Nov Silver 1.Clumsy Cows JDOJ传送门 Description Problem 1: Clumsy Cows [Brian Dean, 2012] Bessie the cow is trying to type a balanced string of parentheses into her new laptop, but she is su…

3016: [Usaco2012 Nov]Clumsy Cows Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 71  Solved: 52[Submit][Status] Description Bessie the cow is trying to type a balanced string of parentheses into her new laptop, but she is sufficiently clumsy (due to h…

3016: [Usaco2012 Nov]Clumsy Cows Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 91  Solved: 69[Submit][Status][Discuss] Description Bessie the cow is trying to type a balanced string of parentheses into her new laptop, but she is sufficiently clumsy…

Normally, the factorial of a positive integer n is the product of all positive integers less than or equal to n.  For example, factorial(10) = 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1. We instead make a clumsy factorial: using the integers in decreasin…

通常,正整数 n 的阶乘是所有小于或等于 n 的正整数的乘积.例如,factorial(10) = 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1.相反,我们设计了一个笨阶乘 clumsy:在整数的递减序列中,我们以一个固定顺序的操作符序列来依次替换原有的乘法操作符:乘法(*),除法(/),加法(+)和减法(-).例如,clumsy(10) = 10 * 9 / 8 + 7 - 6 * 5 / 4 + 3 - 2 * 1.然而,这些运算仍然使用通常的算术运算顺序:我…

题目传送门 晕牛Dizzy Cows 题目背景 Hzwer 神犇最近又征服了一个国家,然后接下来却也遇见了一个难题. 题目描述 The cows have taken to racing each other around the farm but they get very dizzy when running in circles, and everyone knows that dizzy cows don't produce any milk. Farmer John wants to…

P3047 [USACO12FEB]附近的牛Nearby Cows 农民约翰已经注意到他的奶牛经常在附近的田野之间移动.考虑到这一点,他想在每一块土地上种上足够的草,不仅是为了最初在这片土地上的奶牛,而且是为了从附近的田地里去吃草的奶牛. 具体来说,FJ的农场由N块田野构成(1 <= n <= 100,000),每两块田野之间有一条无向边连接(总共n-1条边).FJ设计了农场,任何两个田野i和j之间,有且只有一条路径连接i和j.第 i块田野是C(i)头牛的住所,尽管奶牛们有时会通过k条路到达其…

P3047 [USACO12FEB]附近的牛Nearby Cows 题目描述 Farmer John has noticed that his cows often move between nearby fields. Taking this into account, he wants to plant enough grass in each of his fields not only for the cows situated initially in that field, but…