摘要：The following characteristics represent a pure approach to object-oriented programming:1. Everything is an object.2. A program is a bunch of objects telling each other what todo by sending messages.3. Each object has its own memory made up of other objects.4. Every object has a type.5. All objects o 阅读全文

摘要：#include <iostream>#include <vector>using namespace std;int states[6][6];int ct=0;int flag=0;class drop{ public: drop(int x,int y,int d1,int d2) { position_x = x; position_y = y; direction... 阅读全文

摘要：这道题其实就是二分图的最大匹配问题。用构造匈牙利树的方法可以有效的提高求解的效率。 阅读全文

摘要：Problemkitty的基因编码如下定义： kitty的基因由一串长度2^k（k<=8)的01序列构成，为了方便研究，需要把,01序列转换为ABC编码。用T（s)来表示01序列s的ABC编码 T(s)＝‘A'（当S全由'0'组成） T(s)＝‘B'（当s全由'1'组成） T(s)＝‘C'+T（s1)+T（s2) s1,s2为把s等分为2个长度相等的子串 ... 阅读全文