参考资料 1)官方说明 支持 sorry,cena不支持rope 声明 1)头文件 #include<ext/rope> 2)调用命名空间 using namespace __gnu_cxx; 底层原理 查了资料,大概可以称作可持久化平衡树,因为rope适用于大量.冗长的串操作,而不适合单个字符操作官方说明如下: Though ropes can be treated as Containers of characters, and are almost Sequences, this is…
1145. Rope in the Labyrinth Time limit: 0.5 secondMemory limit: 64 MB A labyrinth with rectangular form and size m × n is divided into square cells with sides' length 1 by lines that are parallel with the labyrinth's sides. Each cell of the grid is e…
链接:https://www.nowcoder.com/acm/contest/141/C 来源:牛客网 题目描述 Eddy likes to play cards game since there are always lots of randomness in the game. For most of the cards game, the very first step in the game is shuffling the cards. And, mostly the randomn…