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Codeforces Round #256 (Div. 2) C. Painting Fence(分治贪心)
Codeforces Round #256 (Div. 2) C. Painting Fence(分治贪心)...
分类:其他好文   时间:2014-07-19 23:25:08    阅读次数:320
Fence Repair
有n(n>=1&&n1&&node[i]>n) { node[0]=0; for(i=1;i>node[i]; inheap(node[i]); } __int64 ans=0; for(i=1;i...
分类:其他好文   时间:2014-07-19 23:02:20    阅读次数:190
Codeforces Round #256 (Div. 2/C)/Codeforces448C_Painting Fence(分治)
解题报告 给篱笆上色,要求步骤最少,篱笆怎么上色应该懂吧,,,刷子可以在横着和竖着刷,不能跳着刷,,, 如果是竖着刷,应当是篱笆的条数,横着刷的话,就是刷完最短木板的长度,再接着考虑没有刷的木板,,, 递归调用,,, #include #include #include #include #define inf 999999999999999 using namespace std...
分类:其他好文   时间:2014-07-19 12:04:21    阅读次数:314
codeforces 448CPainting Fence
题目:codeforces 448CPainting Fence 题意:n个1* a [ i ] 的木板,把他们立起来,变成每个木板宽为1长为 a [ i ] 的栅栏,现在要给栅栏刷漆,刷子宽1,每一刷子可以刷任意长,现在让你求最少需要多少刷子? 分析:题目看似没有头绪,仔细分析的话其实很简单 首先,我们假如每次都刷一个木板,即一竖行,那么需要n次刷完,可见这是一个a...
分类:其他好文   时间:2014-07-19 02:35:45    阅读次数:184
poj3253哈夫曼树
Fence RepairTime Limit: 2000 MS Memory Limit: 65536 KB64-bit integer IO format: %I64d , %I64u Java class name: Main[Submit] [Status] [Discuss]Descript...
分类:其他好文   时间:2014-07-19 00:20:15    阅读次数:183
Codeforces Round #256 (Div. 2) C (448C)Painting Fence
分治!首先是一大块,贪行刷和竖刷的最小,再转化为小块。。。。。。。。。。。。 AC代码如下: #include #include #include using namespace std; int n; int a[5005]; int solve(int l,int r) { int i,j; int len=r-l+1; ...
分类:其他好文   时间:2014-07-18 11:22:29    阅读次数:229
[ACM] POJ 3253 Fence Repair (Huffman树思想,优先队列)
Fence Repair Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 25274   Accepted: 8131 Description Farmer John wants to repair a small length of the fence aro...
分类:其他好文   时间:2014-07-18 11:11:11    阅读次数:241
Codeforces Round #256 (Div. 2) C. Painting Fence
C. Painting FenceBizon the Champion isn't just attentive, he also is very hardworking.Bizon the Champion decided to paint his old fence his favorite c...
分类:其他好文   时间:2014-07-18 10:14:51    阅读次数:268
编程算法 - 篱笆修理(Fence Repair) 代码(C)
篱笆修理(Fence Repair) 代码(C)本文地址: http://blog.csdn.net/caroline_wendy题目: 把一块木板切成N块, 每次切两块, 切割的开销是木板长度, 求将木板切割完的最小开销.贪心算法, 类似二叉树型结构, 最短板和次短板是兄弟结点, 选取两个最小木板, 最后进行切割, 合并两个最小木板, 依次递推.代码:/* * main.cpp * *...
分类:其他好文   时间:2014-07-17 19:38:57    阅读次数:267
USACO 4.1 Fence Loops
Fence LoopsThe fences that surround Farmer Brown's collection of pastures have gotten out of control. They are made up of straight segments from 1 thr...
分类:其他好文   时间:2014-07-16 19:06:02    阅读次数:516
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