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杜教BM递推，据说可以输入矩阵，但是我还不太清楚，初始数据在初始化vector容器时候输入就ok ，输出第n项#include using namespace std;#define rep(i,a,n) for (long long i=a;i=a;i-... 阅读全文
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M - God of WarAt 184~280 A.D ,there were many kingdoms in China. Three strongest among them are “Wei”, “Shu”, “Wu”. People call t... 阅读全文
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L - Tiling Dominoes闲聊在大白书上383383383页，上面有详细讲解这道题的dpdpdp方法，第一次做这类状压dp的题时，用的dp的时间复杂度是O(2m∗2m∗n)O(2^m*2^m*n)O(2m∗2m∗n) 可以过另一个一模一样的题，当... 阅读全文
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J - Hie with the PieThe Pizazz Pizzeria prides itself in delivering pizzas to its customers as fast as possible. Unfortunately, d... 阅读全文