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HDU 4941 Magical Forest STL
这明明就是给纯C选手的大杀器啊。题意:给你k坐标,表示 X,Y 有值C,有 3种操作1) 交换A,B两行2) 交换A,B两列3) 询问(A,B)的值解题思路:map离散化解题代码:// File Name: 1007.cpp// Author: darkdream// Created Time: 2...
分类:其他好文   时间:2014-08-13 00:39:44    阅读次数:259
自定义结构或类的比较
我们常常需要给自定义的类或者struct来定义比较函数,用于数组、vector、set、map或者直接比较。
分类:其他好文   时间:2014-08-13 00:37:04    阅读次数:213
hdu4941 Magical Forest
Problem Description There is a forest can be seen as N * M grid. In this forest, there is some magical fruits, These fruits can provide a lot of energy, Each fruit has its location(Xi, Yi) and the ...
分类:其他好文   时间:2014-08-12 22:19:04    阅读次数:488
hdu 4941 Magical Forest (map容器)
Magical Forest Time Limit: 24000/12000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 135    Accepted Submission(s): 69 Problem Description There is a...
分类:其他好文   时间:2014-08-12 22:18:44    阅读次数:475
hdu 4941 Magical Forest(STL map & 结构体运用)
hdu 4941 Magical Forest(STL map & 结构体运用)...
分类:其他好文   时间:2014-08-12 22:15:54    阅读次数:382
hdu4941 Magical Forest (stl map)
2014多校7最水的题Magical ForestMagical ForestTime Limit: 24000/12000 MS (Java/Others)Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 253Acc...
分类:其他好文   时间:2014-08-12 21:43:54    阅读次数:310
Stupid Tower Defense
Problem DescriptionFSF 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 bu...
分类:其他好文   时间:2014-08-12 21:41:14    阅读次数:200
Mapnik读取PostGIS数据渲染图片
__author__ = 'Administrator'# encoding: utf-8import sysimport datetimeimport mapnikm = mapnik.Map(256,256,"+proj=latlong +datum=WGS84")#m.background =...
分类:其他好文   时间:2014-08-12 21:32:04    阅读次数:169
hdu 4941 STL HASH 模拟
http://acm.hdu.edu.cn/showproblem.php?pid=4941 比赛的时候现学的map的find...以前都是用下标做的,但是map用下标查询的话,如果查询的元素不存在,会插入一个新的元素。 贴一个map查找元素找到和找不到的模板 map,int>::iterator it=poshash.find(tmppos);//pai...
分类:其他好文   时间:2014-08-12 19:09:24    阅读次数:262
hdu 4941 stl的map<node,int>用法
#include #include #include #include using namespace std; typedef struct node{ int x,y; bool operator<(const node &b)const { if(x==b.x) return y<b.y; else ...
分类:其他好文   时间:2014-08-12 19:05:34    阅读次数:249
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