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Arrange the Bulls（状压dp)
Arrange the Bulls（状压dp) 题目大意：一些牛喜欢一些地方（每头牛都有一些喜欢的地方），现在要把这些地方分配给牛，每头牛都应该分到一个地方，问有多少种分配的方法 此题拥有着状压dp的鲜明特征，N和M只有20（看见这种数据的时候往状压dp上想一想），枚举每一种状态，判断合理性。像这种两种东西匹配【P6191 [USACO09FEB]Bulls And Cows S】题解
题目链接 题目 一年一度的展会要来临了，Farmer John 想要把 \(N\)（\(1 \leq N \leq 100,000\)）只奶牛和公牛安排在单独的一行中。 John 发现最近公牛们非常好斗；假如两只公牛在这一行中靠的太近，他们就会吵架，以至于斗殴，破坏这和谐的环境。 John 非常的足智多谋，他计算出任何两只公牛之间299. Bulls and Cows [Medium]
/** * Runtime: 18 ms, faster than 11.23% * Memory Usage: 39 MB, less than 67.38% */ class Solution { public String getHint(String secret, String guess) { int a = 0, b = 0; char[] sec = secret.toCharArray(); char[] gue = gues299.Bulls and Cows
给定两个等长的字符串，求这两个字符串中相同位置字符相等的个数bull，和不同位置但字符相同的个数cows，最后结合为 bull+A+cows+B.Input: secret = "1807", guess = "7810" Output: "1A3B" Explanation: 1 bull and 3 cows. The bull is 8, the cows are 0, 1 and 7. 思路：一、遍历字符LeetCode || 229. Bulls and Cows
题目：你正在和你的朋友玩猜数字（Bulls and Cows）游戏：你写下一个数字让你的朋友猜。每次他猜测后，你给他一个提示，告诉他有多少位数字和确切位置都猜对了（称为“Bulls”, 公牛），有多少位数字猜对了但是位置不对（称为“Cows”, 奶牛）。你的朋友将会根据提示继续猜，直到猜出秘密数字。 分状压DP Pku2441 Arrange the Bulls
本人水平有限，题解不到为处，请多多谅解 题目：传送门 Problem C: Pku2441 Arrange the Bulls Time Limit: 2 Sec Memory Limit: 512 MBSubmit: 157 Solved: 80[Submit][Status][Web Board] Description Farmer Johnson's Bulls love playing basketball very mLeetCode-299 Bulls and Cows
题目描述 You are playing the following Bulls and Cows game with your friend: You write down a number and ask your friend to guess what the number is. Each time your friend makes a guess, you provide a hint that indicates how many digits in said guess match y299 Bulls and Cows
1 题目 You are playing the following Bulls and Cows game with your friend: You write down a number and ask your friend to guess what the number is. Each time your friend makes a guess, you provide a hint that indicates how many digits in said guess match