[题解][P3557 POI2013]GRA-Tower Defense Game 这道题是真的** 根据题目给的\(k\),可以知道,我们随便放塔,只要不全放一起,一定是一种合法的方案. 直接枚举就好了,脑子都不用,时间复杂度\(O(n)\) #include<bits/stdc++.h> using namespace std; #define RP(t,a,b) for(register int t=(a),edd=(b);t<=edd;++t) #define DRP(t,a,b…

2014多校7 第二水的题 4939 Stupid Tower Defense Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 366    Accepted Submission(s): 88 Problem Description    FSF is addicted to a stupid tower defense gam…

Stupid Tower Defense Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1219    Accepted Submission(s): 361 Problem Description FSF is addicted to a stupid tower defense game. The goal of tower…

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 shoot at them as they pass. The map is a line, whic…

Tower Defense Toolkit 做塔防游戏的插件 主要层次如下图: 1GameControl _ _Game Control(Script) _ _ _Spawn Manager _ _ _Range Indicator H _ _ _ Range Indicator F _ _Layer Manager(Script) _ _Resource Manager(Script) 2BuildManager _ _Build Manager(Script) _ _ _Towers _ _…

Stupid Tower Defense Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1557 Accepted Submission(s): 445 Problem Description FSF is addicted to a stupid tower defense game. The goal of tower defen…

Tower Defense Game 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 There is a tower defense game with n levels(missions). The n levels form a tree whose root is level 1. In the i-th level, you have to spend pi units of money buying towers and after the level,…

Tower Defense Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others) Total Submission(s): 474    Accepted Submission(s): 126 Problem Description DRD loves playing computer games, especially Tower Defense games. Tower De…

Tower Defense Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1025    Accepted Submission(s): 297 Problem Description DRD loves playing computer games, especially Tower Defense games. Tower De…

题目大意: 一个$n(n\le5\times10^5)$个点$m(m\le10^6)$条边的无向图,边权全为$1$,满足若一个标记点能覆盖与其距离不超过$1$的点,从中选取不超过$k$个点能将整张图覆盖.问若一个标记点能覆盖与其距离不超过$2$的点,求构造一种选取点数不超过$k$的方案将整张图覆盖. 思路: 贪心,每次选取没有覆盖的点作为标记点,并更新覆盖点的和.选取一个点后增加的覆盖范围一定完全包含原来覆盖这个点的标记点的覆盖范围,因此方案一定更优. #include<cstdio> #in…