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搜索关键字:divide and conquer    ( 1165个结果
UVa 10256 The Great Divide,判断两个凸包是否相离
先从给出的两个点集中分别计算出两个凸包, 然后判断两个凸包是否相离。 #include #include #include #include using namespace std; const double eps = 1e-10; double dcmp(double x) { if(fabs(x) < eps) return 0; else return x <...
分类:其他好文   时间:2014-08-20 01:25:05    阅读次数:181
UVA 10375 Choose and divide(数论)
The binomial coefficient C(m,n) is defined as m! C(m,n) = -------- n!(m-n)! Given four natural numbers p, q, r, and s, compute the the result of dividing C(p,q) by C(r,s). T...
分类:其他好文   时间:2014-08-18 23:37:43    阅读次数:274
LeetCode "4Sum"
Similar strategy could be applied to 4Sum, as 2sum to 3sum, but that'll be O(n^3). Instead of 3 + 1, we can also divide it into 2 + 2. So the problem ...
分类:其他好文   时间:2014-08-18 13:00:32    阅读次数:183
排序——归并排序
归并(Merge)排序法是将两个(或两个以上)有序表合并成一个新的有序表,即把待排序序列分为若干个有序的子序列,再把有序的子序列合并为整体有序序列。归并排序是建立在归并操作上的一种有效的排序算法。该算法是采用分治法(Divide and Conquer)的一个非常典型的应用。将已有序的子序列合并,得到完全有序的序列;即先使每个子序列有序,再使子序列段间有序。若将两个有序表合并成一个有序表,称为二路...
分类:其他好文   时间:2014-08-18 12:32:04    阅读次数:230
uva 567 - Risk
RiskRisk is a board game in which several opposing players attempt to conquer the world. The gameboard consists of a world map broken up into hypothe....
分类:其他好文   时间:2014-08-16 20:58:21    阅读次数:342
白话经典算法系列之五 归并排序的实现
归并排序是建立在归并操作上的一种有效的排序算法。该算法是採用分治法(Divide and Conquer)的一个很典型的应用。首先考虑下怎样将将二个有序数列合并。这个很easy,仅仅要从比較二个数列的第一个数,谁小就先取谁,取了后就在相应数列中删除这个数。然后再进行比較,假设有数列为空,那直接将还有...
分类:其他好文   时间:2014-08-15 14:13:49    阅读次数:146
zoj 3659 Conquer a New Region 并查集+贪心
点击打开链接题目链接 Conquer a New Region Time Limit: 5 Seconds      Memory Limit: 32768 KB The wheel of the history rolling forward, our king conquered a new region in a distant continent. Ther...
分类:其他好文   时间:2014-08-15 10:47:18    阅读次数:286
HDU - 4944 FSF’s game
Problem Description FSF has programmed a game. In this game, players need to divide a rectangle into several same squares. The length and width of rectangles are integer, and of course the side len...
分类:其他好文   时间:2014-08-12 22:06:04    阅读次数:248
HDU 4944
FSF’s gameProblem DescriptionFSF has programmed a game.In this game, players need to divide a rectangle into several same squares.The length and width...
分类:其他好文   时间:2014-08-12 21:51:44    阅读次数:276
UVA 10375 Choose and divide(唯一分解定理)
利用了随机数方法终于知道错在哪了,中间如果出现连乘还是会yi...
分类:其他好文   时间:2014-08-12 13:34:54    阅读次数:192
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