POJ 1468】的更多相关文章

#include <iostream> #define MAXN 5005 using namespace std; struct node { int b_x; int b_y; int e_x; int e_y; }; node _m[MAXN]; int main() { //freopen("acm.acm","r",stdin); int n; int i; int j; int ans; while(cin>>n) { ans =…
点分治 怎么又一道叫Tree的题目……真是醉了. 本题为漆子超论文<分治算法在树的路径问题中的应用>例一 题解 : http://blog.csdn.net/sdj222555/article/details/7893862      http://blog.csdn.net/yang_7_46/article/details/9966455 既然是点分治嘛,为了保证复杂度不退化,必然要找树的重心,这一步可以通过一次dfs实现:以任意节点为根(方便起见就选1号节点了)求出每个节点子树大小,那么…
Description Give a tree with n vertices,each edge has a length(positive integer less than 1001). Define dist(u,v)=The min distance between node u and v. Give an integer k,for every pair (u,v) of vertices is called valid if and only if dist(u,v) not e…
poj 题目分类 按照ac的代码长度分类(主要参考最短代码和自己写的代码) 短代码:0.01K--0.50K:中短代码:0.51K--1.00K:中等代码量:1.01K--2.00K:长代码:2.01K以上. 短:1147.1163.1922.2211.2215.2229.2232.2234.2242.2245.2262.2301.2309.2313.2334.2346.2348.2350.2352.2381.2405.2406: 中短:1014.1281.1618.1928.1961.2054…
本文来自:http://www.cppblog.com/snowshine09/archive/2011/08/02/152272.spx 多版本的POJ分类 流传最广的一种分类: 初期: 一.基本算法: (1)枚举. (poj1753,poj2965) (2)贪心(poj1328,poj2109,poj2586) (3)递归和分治法. (4)递推. (5)构造法.(poj3295) (6)模拟法.(poj1068,poj2632,poj1573,poj2993,poj2996) 二.图算法:…
acm之pku题目分类 对ACM有兴趣的同学们可以看看 DP:  1011   NTA                 简单题  1013   Great Equipment     简单题  1024   Calendar Game       简单题  1027   Human Gene Functions   简单题  1037   Gridland            简单题  1052   Algernon s Noxious Emissions 简单题  1409   Commun…
转载:from: POJ:http://blog.csdn.net/qq_28236309/article/details/47818407 按照ac的代码长度分类(主要参考最短代码和自己写的代码) 短代码:0.01K–0.50K:中短代码:0.51K–1.00K:中等代码量:1.01K–2.00K:长代码:2.01K以上. 短:1147.1163.1922.2211.2215.2229.2232.2234.2242.2245.2262.2301.2309.2313.2334.2346.2348…
最近想从头开始刷点基础些的题,正好有个网站有关于各大oj的题目分类(http://www.pythontip.com/acm/problemCategory),所以写了点脚本把hdu和poj的一些题目链接按分类爬下来,然后根据题目的AC数目来作为难度指标进行从易到难的排序: POJ       题目标号  通过数 搜索: 1011 336071664 201111321 197841753 185021979 182532386 161761742 122131915 120101579 950…
Halloween treats Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 7644   Accepted: 2798   Special Judge Description Every year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sweets…
Find a multiple Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7192   Accepted: 3138   Special Judge Description The input contains N natural (i.e. positive integer) numbers ( N <= 10000 ). Each of that numbers is not greater than 15000…