Jury Jeopardy(反向模拟)

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Description What would a programming contest be without a problem featuring an ASCII-maze? Do not despair: one of the judges has designed such a problem. The problem is about a maze that has exactly one entrance/exit, contains no cycles and has no em…

【宽搜】BAPC2014 J Jury Jeopardy (Codeforces GYM 100526)

题目链接: http://codeforces.com/gym/100526 http://acm.hunnu.edu.cn/online/?action=problem&type=show&id=11673&courseid=0 题目大意: 一个机器人一开始位于迷宫入口,面朝东,接下来按照右前左后的顺序遍历迷宫,如果有墙'#'就执行下一个方向直到找到一个是路'.'的方向并且往那个方向移动一格,并改为面朝该方向. 现在给你机器人右前左后的字符数组,求原来的地图,数据保证没有不能遍…

CodeForces 632C Grandma Laura and Apples (模拟)

题意:有n个人买苹果,当苹果剩余偶数时买走一半,当苹果剩余奇数时,先买走一半,再用半价买走一个苹果,最终苹果恰好卖完.农民收入为多少. 析:反向模拟. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000") #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include &l…

[考试总结]noip模拟12

菜今天总体来说菜爆了,打了 \(3\) 个暴力,没有一个是正解,并且每一个分数都低得要命... 主要还是太菜了... 第一题开题发现和昨天 \(T3\) 一样,然而因为还没学可持久化数据结构就咕掉了... 昨天要是学一学就好了. 然而彭师傅还想出了 \(STL\) 大法. 非常好用. 但是好多人用的还是主席树来维护. 似乎码量也不长... 但是我只能弱弱地说一声不会.... 菜就是了... 所以我今天要去学一学这玩意,以防明天再考. T1: \(T1\) 又是一个一眼只能 \(\mathca…

Benelux Algorithm Programming Contest 2014 Final

// Button Bashing (bfs) 1 #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #include <set> #include <map> #include <vector> #include <cmath> #include <queue> using namespace…

Benelux Algorithm Programming Contest 2014 Final（第二场）

B:Button Bashing You recently acquired a new microwave, and noticed that it provides a large number of buttons to be able to quickly specify the time that the microwave should be running for. There are buttons both for adding time, and for subtractin…