URAL 1056 Computer Net(最短路)】的更多相关文章

Computer Net Time limit: 2.0 secondMemory limit: 64 MB Background Computer net is created by consecutive computer plug-up to one that has already been connected to the net. Each new computer gets an ordinal number, but the protocol contains the numbe…
1056. Computer Net Time limit: 2.0 second Memory limit: 64 MB Background Computer net is created by consecutive computer plug-up to one that has already been connected to the net. Each new computer gets an ordinal number, but the protocol contains th…
Meeting Time limit: 2.0 secondMemory limit: 64 MB K friends has decided to meet in order to celebrate their victory at the programming contest. Unfortunately, because of the tickets rise in price there is a problem: all of them live in different part…
Black Spot Time limit: 1.0 secondMemory limit: 64 MB Bootstrap: Jones's terrible leviathan will find you and drag the Pearl back to the depths and you along with it. Jack: Any idea when Jones might release said terrible beastie? Bootstrap: I already…
题意:给定 n + m 个街道,问你从左上角走到右下角的所有路的权值最小的中的最大的. 析:我们只要考虑几种情况就好了,先走行再走列和先走列再走行差不多.要么是先横着,再竖着,要么是先横再竖再横,要么是先横再竖再横再竖,全考虑一下就好了. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000") #include <cstdio> #include <string> #include <cs…
1741. Communication Fiend Time limit: 1.0 second Memory limit: 64 MB Kolya has returned from a summer camp and now he's a real communication fiend. He spends all his free time on the Web chatting with his friends via ICQ. However, lately the protocol…
Caravans Time limit: 1.0 secondMemory limit: 64 MB Student Ilya often skips his classes at the university. His friends criticize him for this, but they don't know that Ilya spends this time not watching TV serials or listening to music. He creates a…
Let's play computer game Description xxxxxxxxx在疫情期间迷上了一款游戏,这个游戏一共有nnn个地点(编号为1--n1--n1--n),他每次从一个地点移动到另外一个地点需要消耗 一定的能量,每一个地点都有一些珠宝,输入中会把每一个地方的珠宝价值估算成一个值. xxxxxxxxx想请聪明的你帮他找出来从编号为sss的地点,到编号为ddd的地点最小要消耗多少能量,消耗这些能量最多获得多少价值的珠宝 Input 第一行输入n,s,dn,s,dn,s,d.其…
题目传送门 /* 题意:程序从1到n版本升级,正版+正版->正版,正版+盗版->盗版,盗版+盗版->盗版 正版+破解版->正版,盗版+破解版->盗版 DP:每种情况考虑一遍,递推就行了 注意:开long long */ #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> #include <cmath> using…
In the present world you frequently meet a lot of call numbers and they are going to be longer and longer. You need to remember such a kind of numbers. One method to do it in an easy way is to assign letters to digits as shown in the following pictur…
Routing Time limit: 1.0 secondMemory limit: 64 MB There is a TCP/IP net of several computers. It means that: Each computer has one or more net interfaces. Each interface is identified by its IP-address and a subnet mask - these are two four-byte numb…
DES:给出起点和终点.给出所有小岛的编号.所有路径的起始点.和遇到怪物的概率.要求在最短路的条件下维护遇见怪物的概率最小的路径.就是用 SPFA算法.每条路的权值设为1.最短路即为途径的岛数最少.同时要用pre数组维护每个点的前驱.最后递归输出所走路径.把p变为不遇见怪物的概率, 即为维护p最大.就是把原来的SPFA里的判断多加一条,如果权值相等判断概率,选择概率大的一条. 注意.这是无向图.本来觉得没有影响.很幸福的WA了.确实是.给你a->b的,就代表可以从b->a.而不是简单的可以往返…
1072. Routing Time limit: 1.0 secondMemory limit: 64 MB There is a TCP/IP net of several computers. It means that: Each computer has one or more net interfaces. Each interface is identified by its IP-address and a subnet mask — these are two four-byt…
1250. Sea Burial Time limit: 1.0 secondMemory limit: 64 MB There is Archipelago in the middle of a shoreless ocean. An ancient tribe of cannibals lives there. Shamans of this race have been communicating with gods and admonishing people for ages. The…
题目传送门 /* 题意:就是从上到下,找到最短路,输出路径 DP+路径:状态转移方程:dp[i][j] = min (dp[i-1][j], dp[i][j-1], dp[i][j+1]) + a[[i][j]; (类似数塔问题) 关键在记录路径,可以用pre[x][y] = -1/0/1/2 区分,DFS回溯输出 详细解释:http://www.cnblogs.com/staginner/archive/2012/05/02/2479658.html */ #include <cstdio>…
1153. Supercomputer Time limit: 2.0 secondMemory limit: 64 MB To check the speed of JCN Corporation new supercomputer it was decided to figure out the sum of first N (N < 10600) positive integers. Unfortunately, by the time the calculation was finish…
URAL 2035 输入x,y,c,  找到任意一对a,b 使得a+b==c&& 0<=a<=x && 0<=b<=y 注意后两个条件,顺序搞错wa几次 #include<cstdio> #include<algorithm> using namespace std; int main(){ int x,y,c; while(~scanf("%d%d%d",&x,&y,&c)){ i…
Description   Student Ilya often skips his classes at the university. His friends criticize him for this, but they don’t know that Ilya spends this time not watching TV serials or listening to music. He creates a computer game of his dreams. The game…
转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Invitation Cards Time Limit: 5 Seconds      Memory Limit: 65536 KB In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fa…
Ural doctors worry about the health of their youth very much. Special investigations showed that a lot of clever students instead of playing football, skating or bicycling had participated in something like Programming Olympiads. Moreover, they call…
HDU - 2290 Find the Path Time Limit: 5000MS   Memory Limit: 64768KB   64bit IO Format: %I64d & %I64u Submit Status Description Scofield is a hero in American show "Prison Break". He had broken the prison and started a big runaway. Scofield h…
In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all, Antique Comedies. They have printed invitation cards with all the necessa…
URAL - 1078 题目大意:有n条线段,一个线段a 完全覆盖另一个线段b 当且仅当,a.l < b.l && a.r>b.r.问你 一个线段覆盖一个线段再覆盖一个线段再.......,问你最多几个线段属于这种关系,并打印出路径. 这题的的 n 太小了,n^3的方法都能过. 思路:1. 我们设dp[ i ] 为 以 i 位最外层的答案为多少,n^3的方法是,我们先将所有dp的值设为1, 枚举最外层的点,再枚举其内层的点更新,一次更新肯定是不够的,我们更新到它没有更新了再 退…
In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all, Antique Comedies. They have printed invitation cards with all the necessa…
Description In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all, Antique Comedies. They have printed invitation cards with all…
题目链接 Problem Description In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all, Antique Comedies. They have printed invitation c…
链接: http://www.bnuoj.com/bnuoj/problem_show.php?pid=26480 http://www.bnuoj.com/bnuoj/contest_show.php?cid=2317#problem/25682 Horror List Time Limit: 1000ms Memory Limit: 65536KB   64-bit integer IO format:  %lld      Java class name:  Main Prev  Subm…
Description Kolya has returned from a summer camp and now he's a real communication fiend. He spends all his free time on the Web chatting with his friends via ICQ. However, lately the protocol of this service was changed once again, and Kolya's clie…
Invitation Cards Time Limit: 8000MS   Memory Limit: 262144K Total Submissions: 34743   Accepted: 11481 题目链接:http://poj.org/problem?id=1511 Description: In the age of television, not many people attend theater performances. Antique Comedians of Malidi…
问题 C: Proxy 时间限制: 2 Sec  内存限制: 128 MB提交: 17  解决: 5[提交][状态][讨论版] 题目描述 Because of the GFW (Great Firewall), we cannot directly visit many websites, such as Facebook, Twitter, YouTube, etc. But with the help of proxy and proxy server, we can easily get…