LintCode 394: First Will Win 题目描述 有n个硬币排成一条线.两个参赛者轮流从右边依次拿走1或2个硬币,直到没有硬币为止.拿到最后一枚硬币的人获胜. 请判定 第一个玩家 是输还是赢? 样例 n = 1, 返回 true. n = 2, 返回 true. n = 3, 返回 false. n = 4, 返回 true. n = 5, 返回 true. Sat Feb 26 2017 思路 一般这种博弈的题目都是假设双方足够聪明,能够用最优的策略取得胜利的,看似很麻烦,实…

LintCode 395: First Will Win 2 题目描述 有 n 个不同价值的硬币排成一条线.两个参赛者轮流从左边依次拿走 1 或 2 个硬币,直到没有硬币为止.计算两个人分别拿到的硬币总价值,价值高的人获胜. 请判定 第一个玩家 是输还是赢? 样例 给定数组 A = [1,2,2], 返回 true. 给定数组 A = [1,2,4], 返回 false. Sat Feb 26 2017 思路 一般这种博弈的题目都是假设双方足够聪明,能够用最优的策略取得胜利的,看似很麻烦,实际上…

变型:如果是最后拿走所有石子那个人输,则f[0] = true 394. Coins in a Line dp[n]表示n个石子,先手的人,是必胜还是必输.拿1个石子,2个石子之后都是必胜,则当前必败:拿1个石子,2个石子之后都是必败,则当前必胜:如果拿1个石子,2个石子之后有必败,则当前必胜. class Solution { public: /** * @param n: An integer * @return: A boolean which equals to true if the…

Description There are n coins in a line. Two players take turns to take one or two coins from right side until there are no more coins left. The player who take the last coin wins. Could you please decide the first player will win or lose? Example n…

Description There are n coins with different value in a line. Two players take turns to take one or two coins from left side until there are no more coins left. The player who take the coins with the most value wins. Could you please decide the first…

Linux上有一些非常常用的命令,来帮助我们监控网络状况. 1.Tcpdump命令 tcpdump可以将网络中传送的数据包的"头"完全截获下来提供分析.它支持针对网络层.协议.主机.网络或端口的过滤, 并提供and.or.not等逻辑语句来帮助你去掉无用的信息. 1)所有参数及含义: -A 以ASCII格式打印出所有分组,并将链路层的头最小化. -c 在收到指定的数量的分组后,tcpdump就会停止. -C 在将一个原始分组写入文件之前,检查文件当前的大小是否超过了参数file_siz…

Note: 后面数字n表明刷的第n + 1遍, 如果题目有**, 表明有待总结 Conclusion questions: [LeetCode] questions conclustion_BFS, DFS LeetCode questions conclustion_Path in Tree [LeetCode] questions conlusion_InOrder, PreOrder, PostOrder traversal [LeetCode] questions for Dynamic…

Questions: [LeetCode] 198. House Robber _Easy tag: Dynamic Programming [LeetCode] 221. Maximal Square _ Medium Tag: Dynamic Programming [LeetCode] 62. Unique Paths_ Medium tag: Dynamic Programming [LeetCode] 64. Minimum Path Sum_Medium tag: Dynamic P…

Yet Another Source Code for LintCode Current Status : 232AC / 289ALL in Language C++, Up to date (2016-02-10) For more problems and solutions, you can see my LintCode repository. I'll keep updating for full summary and better solutions. See cnblogs t…

刷题备忘录,for bug-free leetcode 396. Rotate Function 题意: Given an array of integers A and let n to be its length. Assume Bk to be an array obtained by rotating the array A k positions clock-wise, we define a "rotation function" F on A as follow: F(k…