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【POJ - 3272】Cow Traffic(dp,建反向图,DAG拓扑图)
题干: The bovine population boom down on the farm has caused serious congestion on the cow trails leading to the barn. Farmer John has decided to condu...
2019-05-06
0
560
*【HDU - 5707】Combine String(dp)
题干: Given three strings aa, bb and cc, your mission is to check whether cc is the combine string of aa and bb. A string cc is said to be the combine...
2019-05-06
0
475
【HDU - 5706】GirlCat(bfs)
题干: As a cute girl, Kotori likes playing ``Hide and Seek'' with cats particularly. Under the influence of Kotori, many girls and cats are playing ``...
2019-05-06
0
557
【POJ - 1486】Sorting Slides(思维建图,二分图求必须边,关建边,图论)
题干: Professor Clumsey is going to give an important talk this afternoon. Unfortunately, he is not a very tidy person and has put all his transparenci...
2019-05-04
0
584
【POJ - 2594】Treasure Exploration(floyd传递闭包 + 最小路径覆盖,图论)
题干: Have you ever read any book about treasure exploration? Have you ever see any film about treasure exploration? Have you ever explored treasure? I...
2019-05-04
0
515
【POJ - 2195】Going Home(二分图最优匹配,费用流 或 KM)
题干: On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically...
2019-05-04
0
506
【POJ - 3020】Antenna Placement (匈牙利算法,二分图最小边覆盖)
题干: The Global Aerial Research Centre has been allotted the task of building the fifth generation of mobile phone nets in Sweden. The most striking r...
2019-05-04
0
558
【POJ - 3026】Borg Maze(bfs预处理 + 最小生成树,建图)
题干: The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to descr...
2019-05-04
0
516
【BZOJ - 1059】矩阵游戏(二分图匹配,建图,最小边覆盖)
题干: 小Q是一个非常聪明的孩子,除了国际象棋,他还很喜欢玩一个电脑益智游戏——矩阵游戏。矩阵游戏在一个N *N黑白方阵进行(如同国际象棋一般,只是颜色是随意的)。每次可以对该矩阵进行两种操作:行交换操作:选择 矩阵的任意两行,交换这两行(即交换对应格子的颜色)列交换操作:选择矩阵的任意行...
2019-05-04
0
493
【HDU - 1839】Delay Constrained Maximum Capacity Path(最短路 + 二分)
题干: 考虑一个包含 N 个顶点的无向图,编号从 1 到 N,并包含 M 条边。编号为 1 的顶点对应了一个矿藏,可从中提取珍稀的矿石。编号为 N 的顶点对应了一个矿石加工厂。每条边有相应的通行时间 (以时间单位计),以及相应的运载量 (以矿石单位计)。现决定使用一条路径,将从矿藏中提取的矿石运送...
2019-05-03
0
726
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