A Chess Game Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 3551 Accepted: 1440 Description Let's design a new chess game. There are N pos
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其他好文 时间:
2016-01-30 18:18:18
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217
给一个棋盘,需要从左上角走到右下角,有部分点不能走,求一共有多少种走法。首先要知道从一个点A到另一个点B在没有障碍下有多少种走法。保证A在B的左上方,如图一共需要走(X+Y)步(图中△x,△y),在其中选取X步走横向,Y步走竖向。所以一共有C(x+y, x)种走法。把所有不能走的点排好序,对于每个点...
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其他好文 时间:
2016-01-21 19:33:07
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146
dp(i, j, k)表示考虑了前i行, 放了0个炮的有j列, 放了1个炮的有k列. 时间复杂度O(NM^2)--------------------------------------------------------------------------#include#include#incl...
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其他好文 时间:
2016-01-12 22:48:12
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153
Given an m x n chessboard where you want to place chess knights. You have to find the number of maximum knights that can be placed in the ches...
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其他好文 时间:
2016-01-07 10:10:52
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218
Edward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his friends. What's more, he bought a large d...
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其他好文 时间:
2015-12-19 11:00:51
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188
传送门给0-n这么多个格子, 初始在0, 然后扔骰子, 扔到几就走几步, 其中有些格子是相连的, 比如2,5相连, 那么到2就可以直接飞到5。 问到n处的期望步数。首先肯定是倒着推的, dp[n] = 0. 然后如果x, y(x 2 using namespace std; 3 #define me...
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其他好文 时间:
2015-12-03 13:16:36
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176
从上周五学数论以后就开始堕落了看了三四集MIT线代,看完白书埃氏筛法做不出来无平方因子周六模拟赛差点爆零 其实题并不难 但是暴露了很多问题chess深搜没掌握精华 八皇后问题还得再仔细学 思想核心是最重要的 否则不会变通escape受思维定势影响 找了一种最复杂的错方法周一早上一直学HTML5和CS...
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其他好文 时间:
2015-11-30 17:30:58
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136
DescriptionIn Chinese Chess, there is one kind of powerful chessmen called Cannon. It can move horizontally or vertically along the chess grid. At ea....
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其他好文 时间:
2015-11-29 19:30:12
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174
D. Vasya and ChessVasya decided to learn to play chess. Classic chess doesn't seem interesting to him, so he plays his own sort of chess.The queen is ...
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其他好文 时间:
2015-11-20 00:15:04
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231
A rook is a piece used in the game of chess which is played on a board of square grids. A rook can only move vertically or horizontally from its curre...
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其他好文 时间:
2015-10-27 17:00:26
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147