There is a war Time Limit: 1000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 2435 64-bit integer IO format: %I64d Java class name: Main There is a sea.There are N islands in the sea.There are some directional bridges…
There is a war Problem Description There is a sea. There are N islands in the sea. There are some directional bridges connecting these islands. There is a country called Country One located in Island 1. There is another…
hdu2435最大流最小割 2014-03-22 我来说两句 来源:hdu2435最大流最小割 收藏 我要投稿 2435 There is a war 题意: 给你一个有向图,其中可以有一条边是无敌的,这条边可以是图中的边,也可以是自己任意加上去的图中没有的边,这条无敌的边不可以摧毁,让1和n无法连通的最大摧毁费用,就是1到n的最小割中的最大的那个,这个题卡了好几天,一开始是各种方法各种wa,后来无意中发现自己犯了个sb错误,结果改正后以前的各种方法各种ac,比赛要是碰到这样的事估计就跪了...…
2435 There is a war 题意: 给你一个有向图,其中可以有一条边是无敌的,这条边可以是图中的边,也可以是自己任意加上去的图中没有的边,这条无敌的边不可以摧毁,让1和n无法连通的最大摧毁费用,就是1到n的最小割中的最大的那个,这个题卡了好几天,一开始是各种方法各种wa,后来无意中发现自己犯了个sb错误,结果改正后以前的各种方法各种ac,比赛要是碰到这样的事估计就跪了... 思路: 首先能确定的就是题目要求咱们就最小割(最大流 = 最小割),但关键是有那么一条…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4005 In the war, the intelligence about the enemy is very important. Now, our troop has mastered the situation of the enemy's war zones, and known that these war zones can communicate to each other direc…
http://acm.hdu.edu.cn/showproblem.php?pid=3345 Problem Description War chess is hh's favorite game:In this game, there is an N * M battle map, and every player has his own Moving Val (MV). In each round, every player can move in four directions as lo…
HDU 4005 The war pid=4005" target="_blank" style="">题目链接 题意:给一个连通的无向图.每条边有一个炸掉的代价.如今要建一条边(你不不知道的),然后你要求一个你须要的最少代价,保证无论他建在哪,你都能炸掉使得图不连通 思路:炸肯定要炸桥,所以先双连通缩点,得到一棵树,树边是要炸的,那么找一个最小值的边.从该边的两点出发.走的路径中,把两条包括最小值的路径.的两点连边.形成一个环.这个环就保证了最低代…
The war Problem Description In the war, the intelligence about the enemy is very important. Now, our troop has mastered the situation of the enemy's war zones, and known that these war zones can communicate to each other directly or indirectly thro…
War Time Limit: 8000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 98 Accepted Submission(s): 28 Special Judge Problem Description Long long ago there are two countrys in the universe. Each country haves i…
The war Problem Description In the war, the intelligence about the enemy is very important. Now, our troop has mastered the situation of the enemy's war zones, and known that these war zones can communicate to each other directly or indirectly throug…
War Chess Time Limit : 2000/1000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 5 Accepted Submission(s) : 3 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description War chess is hh's favorite ga…
War on Weather Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 300 Accepted Submission(s): 162 Problem Description After an unprovoked hurricane attack on the south shore, Glorious Warrior ha…
War chess is hh's favorite game: In this game, there is an N * M battle map, and every player has his own Moving Val (MV). In each round, every player can move in four directions as long as he has enough MV. To simplify the problem, you are given you…
God of War Time Limit: 6000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1671 Accepted Submission(s): 647 Problem Description At 184~280 A.D ,there were many kingdoms in China. Three strongest among them…
贪心,t 大的放到前面...因为感染所有cell需要的phage的总数是一定的,所以产生phage需要的时间是一定的,只需要考虑用来感染的时间,这样考虑的话,把 t 小的放后面的话,可以发现总时间的最少的. #include<algorithm> #include<iostream> #include<cstring> #include<cstdio> #include<cmath> #define LL long long #define CL…
Radar Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2280 Accepted Submission(s): 897 Problem Description N cities of the Java Kingdom need to be covered by radars for being in a state of wa…
Attack Time Limit: 5000/3000 MS (Java/Others) Memory Limit: 65768/65768 K (Java/Others) Total Submission(s): 2523 Accepted Submission(s): 805 Problem Description Today is the 10th Annual of “September 11 attacks”, the Al Qaeda is about to attac…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4031 Problem Description Today is the 10th Annual of “September 11 attacks”, the Al Qaeda is about to attack American again. However, American is protected by a high wall this time, which can be treating…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4822 Problem Description Three countries, Red, Yellow, and Blue are in war. The map of battlefield is a tree, which means that there are N nodes and (N – 1) edges that connect all the nodes. Each country…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4900 Problem Description There is an old country and the king fell in love with a devil. The devil always asks the king to do some crazy things. Although the king used to be wise and beloved by his peopl…
转自——http://blog.csdn.net/qwe20060514/article/details/8112550 =============================以下是最小生成树+并查集======================================[HDU]1213 How Many Tables 基础并查集★1272 小希的迷宫 基础并查集★1325&&poj1308 Is It A Tree? 基础并查集★1856 More i…
http://acm.hdu.edu.cn/showproblem.php?pid=1540 Tunnel Warfare Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3168 Accepted Submission(s): 1216 Problem Description During the War of Resistan…