UVA 1558 - Number Game 题目链接 题意:20之内的数字,每次能够选一个数字,然后它的倍数,还有其它已选数的倍数组合的数都不能再选,谁先不能选数谁就输了,问赢的方法 思路:利用dp记忆化去求解,要输出方案就枚举第一步就可以,状态转移过程中,选中一个数字,对应的变化写成一个函数,然后就是普通的博弈问题了,必胜态之后必有必败态,必败态之后全是必胜态 代码: #include <stdio.h> #include <string.h> const int N = 10…
题目连接:uva 11885 - Number of Battlefields 题目大意:给出周长p,问多少种形状的周长为p的,而且该图形的最小包围矩阵的周长也是p,不包含矩形. 解题思路:矩阵高速幂.假设包括矩形的话,相应的则是斐波那契数列的偶数项,所以相应减去矩形的个数就可以. #include <cstdio> #include <cstring> using namespace std; typedef long long ll; const ll MOD = 987654…
UVA - 1103Ancient Messages In order to understand early civilizations, archaeologists often study texts written in ancient languages.One such language, used in Egypt more than 3000 years ago, is based on characters called hieroglyphs.Figure C.1 shows…
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=513 终于开始接触图了,恩,开始接触DFS了,这道题就是求连通分量,比较简单. #include<iostream> #include<cstring> using namespace std; int m, n; //记录连通块的数量 ][]; ][]; void…
Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It…