对于每个点拆点成为两个点a,b,连接a到b的上界为1,下界为1的边,保证用过一次且仅一次。然后若点u可到达点v,则连接即可。建成了一个上下界网络,将下界拆出去,求最大费用最大流就好。#include #include #include using namespace std;const int N=...
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其他好文 时间:
2014-08-13 22:13:07
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344
比赛的时候想到这题的大概做法,但由于卡别的水题。。。就赛后做了。。。题意:给一个二叉树,每个结点有一个w[i],有3种操作,0 x表示左旋x,1 x表示右旋x,3 x表示询问x结点的价值,其中,价值为x子树结点的累加价值的累乘,其中,结点的累加价值为结点子树的Σw[i]。即询问是,∏Σw。好像题意被...
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其他好文 时间:
2014-08-13 22:00:27
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302
1.首先定义唯一标识:#define GAME_EVENT_PLAYER_EXP_UPDATED "player_exp_updated"2.注册事件监听cocos2d::EventListener* m_pPlayerExpListener;m_pPlayerExpListener = Event...
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其他好文 时间:
2014-08-13 21:57:37
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256
Problem Description
In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several consecutive metallic sticks which are of the same...
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其他好文 时间:
2014-08-13 18:59:07
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226
Problem Description
XQ,one of the three Sailormoon girls,is usually playing mobile games on the class.Her favorite mobile game is called “The Princess In The Wall”.Now she give you a problem about th...
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其他好文 时间:
2014-08-13 18:57:07
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224
Gnome TetravexTime Limit:10 Seconds Memory Limit:32768 KBHart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at t...
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其他好文 时间:
2014-08-13 18:40:46
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228
Q: I have one question about how to get the clocking data from COOIS every day , because we need to check and monitor the clocking for more accuracy ....
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其他好文 时间:
2014-08-13 17:41:17
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210
Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu...
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其他好文 时间:
2014-08-13 14:29:46
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165
Problem Description
FSF is addicted to a stupid tower defense game. The goal of tower defense games is to try to stop enemies from crossing a map by building traps to slow them down and towers which...
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其他好文 时间:
2014-08-13 13:14:47
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196
最开始的时候思路就想错了,就不说错误的思路了。因为这n个数的总和是一定的,所以在取数的时候不是让自己尽可能拿的最多,而是让对方尽量取得最少。记忆化搜索:d(i, j)表示原序列中第i个元素到第j个元素构成的子序列,先手取数能够得到的最大值。sum(i, j) 表示从第i个元素到第j个元素的和因为要让...
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其他好文 时间:
2014-08-13 12:47:56
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247