XYZZY Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 3105 Accepted: 887 Description The prototypical computer adventure game, first designed by Will Crowther on the PDP-10 in the mid-1970s as an attempt at computer-refereed fantasy ga…
XYZZY Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 4154 Accepted: 1185 Description The prototypical computer adventure game, first designed by Will Crowther on the PDP-10 in the mid-1970s as an attempt at computer-refereed fantasy g…
Frogger Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 24979 Accepted: 8114 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her,…
Arbitrage Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13800 Accepted: 5815 Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currenc…
Frogger Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22557 Accepted: 7339 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her,…
Wormholes Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 30169 Accepted: 10914 Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way p…
Stockbroker Grapevine Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 26395 Accepted: 14558 Description Stockbrokers are known to overreact to rumours. You have been contracted to develop a method of spreading disinformation amongst th…
http://poj.org/problem?id=3013 Big Christmas Tree Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 19009 Accepted: 4048 Description Christmas is coming to KCM city. Suby the loyal civilian in KCM city is preparing a big neat Christmas…
POJ 2112 Optimal Milking (二分+最短路径+网络流) Optimal Milking Time Limit: 2000MS Memory Limit: 30000K Total Submissions: 10176 Accepted: 3698 Case Time Limit: 1000MS Description FJ has moved his K (1 <= K <= 30) milking machines out into the cow pastu…
Wormholes Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 29971 Accepted: 10844 Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way p…
本题链接 : http://poj.org/problem?id=3268 题目大意:牛们要去聚会,输入N = 顶点数(牛场):M = 边(路)的数目: X = 终点 (聚会点).问题:求来回时间的最大值. Description: One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1…
题目链接: http://poj.org/problem?id=2253 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her, but since the water is dirty and full of tourists' suns…
POJ 1847 Tram (最短路径) Description Tram network in Zagreb consists of a number of intersections and rails connecting some of them. In every intersection there is a switch pointing to the one of the rails going out of the intersection. When the tram ent…
POJ 3259 Wormholes(最短路径,求负环) Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path that delivers you to its destination at a time that is BEFORE…
POJ 1860 Currency Exchange / ZOJ 1544 Currency Exchange (最短路径相关,spfa求环) Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchange operations onl…
POJ 3268 Silver Cow Party (最短路径) Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤ X ≤ N). A total of M (1 ≤ M ≤ 100,000) unidirectional (one-way roads c…
POJ 1797 Heavy Transportation / SCU 1819 Heavy Transportation (图论,最短路径) Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whether there reall…
POJ 2235 Frogger / UVA 534 Frogger /ZOJ 1942 Frogger(图论,最短路径) Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her, but since the water is dirty a…
POJ 2387 Til the Cows Come Home (图论,最短路径) Description Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning milking. Bessie needs her beauty sleep, so she wants to g…