摘要：L2-016. 愿天下有情人都是失散多年的兄妹 参考博客 阅读全文

摘要：Problem Description RXD has a tree T, with the size of n. Each edge has a cost.Define f(S) as the the cost of the minimal Steiner Tree of the set S on 阅读全文

摘要：1.BFS是用来搜索最短径路的解是比较合适的，比如求最少步数的解，最少交换次数的解，因为BFS搜索过程中遇到的解一定是离根最近的，所以遇到一个解，一定就是最优解，此时搜索算法可以终止。这个时候不适宜使用DFS，因为DFS搜索到的解不一定是离根最近的，只有全局搜索完毕，才能从所有解中找出离根的最近的解 阅读全文

摘要：在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。 Input 输入含有多组测试数据。 每组数据的第一行是两个正整数，n k，用一个空格隔开，表示了将 阅读全文

摘要：Description3月15日，人机围棋大战巅峰对决在韩国首尔落下帷幕。五番棋的最后一局中，韩国著名棋手李世乭尽管与人工智能“AlphaGo”缠斗至官子阶段，但在双双进入读秒后最终还是投子认输，以总比分1∶4结束了这场举世瞩目的人机大战。100年后的某一天，天棋哥哥为了给李世乭报仇，挽回人类尊严， 阅读全文

摘要：Problem Description Given a set of sticks of various lengths, is it possible to join them end-to-end to form a square? Input The first line of input c 阅读全文

摘要：Problem Description Given three strings, you are to determine whether the third string can be formed by combining the characters in the first two stri 阅读全文

摘要：Problem Description 一个规则的实心十二面体，它的 20个顶点标出世界著名的20个城市，你从一个城市出发经过每个城市刚好一次后回到出发的城市。 Input 前20行的第i行有3个数,表示与第i个城市相邻的3个城市.第20行以后每行有1个数m,m<=20,m>=1.m=0退出. Ou 阅读全文

摘要：Problem Description Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each repres 阅读全文

摘要：Problem Description A DFS(digital factorial sum) number is found by summing the factorial of every digit of a positive integer. For example ,consider 阅读全文

摘要：Problem Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large re 阅读全文

摘要：Problem Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black til 阅读全文

摘要：Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, an 阅读全文