Domino Effect Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9335   Accepted: 2325 Description Did you know that you can use domino bones for other things besides playing Dominoes? Take a number of dominoes and build a row by standing t…

 POJ 1135 -- Domino Effect(单源最短路径) 题目描述: 你知道多米诺骨牌除了用来玩多米诺骨牌游戏外,还有其他用途吗?多米诺骨牌游戏:取一 些多米诺骨牌,竖着排成连续的一行,两张骨牌之间只有很短的空隙.如果排列得很好,当你推 倒第 1张骨牌,会使其他骨牌连续地倒下(这就是短语“多米诺效应”的由来). 然而当骨牌数量很少时,这种玩法就没多大意思了,所以一些人在 80 年代早期开创了另一个 极端的多米诺骨牌游戏:用上百万张不同颜色.不同材料的骨牌拼成一幅复杂的图案.他们开创…

点我看题目 题意 : 一个新的多米诺骨牌游戏,就是这个多米诺骨中有许多关键牌,他们之间由一行普通的骨牌相连接,当一张关键牌倒下的时候,连接这个关键牌的每一行都会倒下,当倒下的行到达没有倒下的关键牌时,这个关键牌也会倒下,然后与这个关键牌相连接的所有行都会倒下,每一行有两个端点也就是两个关键牌,可以从任意一个端点开始倒下,也可以从两个端点同时开始倒下,从第一张骨牌开始倒,最后倒下的牌的位置以及时间. 思路 : 先利用Dijkstra求出每张关键牌倒下的时间time[i],即求出第一张关键牌到其他关…

Domino Effect Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10325   Accepted: 2560 Description Did you know that you can use domino bones for other things besides playing Dominoes? Take a number of dominoes and build a row by standing…

Description Did you know that you can use domino bones for other things besides playing Dominoes? Take a number of dominoes and build a row by standing them on end with only a small distance in between. If you do it right, you can tip the first domin…

Domino Effect Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 12147 Accepted: 3046 Description Did you know that you can use domino bones for other things besides playing Dominoes? Take a number of dominoes and build a row by standing them…

题目链接:http://poj.org/problem?id=2253 Frogger Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 25773   Accepted: 8374 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on an…

POJ 2253 Frogger 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' sunscreen, he wants to avoid swimmin…

Description Did you know that you can use domino bones for other things besides playing Dominoes? Take a number of dominoes and build a row by standing them on end with only a small distance in between. If you do it right, you can tip the first domin…

POJ. 2253 Frogger (Dijkstra ) 题意分析 首先给出n个点的坐标,其中第一个点的坐标为青蛙1的坐标,第二个点的坐标为青蛙2的坐标.给出的n个点,两两双向互通,求出由1到2可行通路的所有步骤当中,步长最大值. 在dij原算法的基础上稍作改动即可.dij求解的是单源最短路,现在求解的是步长最大值,那么更新原则就是,当前的这一步比保存的步如果要大的话,就更新,否则就不更新. 如此求解出来的就是单源最大步骤. 代码总览 #include <cstdio> #include &…