一开始理解错题意了,以为是走过的砖不能再重复走,最多能走多少个黑砖,结果写的递归陷入死循环...后来才明白原来可以重复走,问可以到达的磁砖数. #include <iostream> #include <string.h> #include <stdio.h> #include <math.h> #include <algorithm> using namespace std; int w,h,num,ans; ][];//存储地图的信息,为0代…

POJ 1979 Red and Black (红与黑) Time Limit: 1000MS    Memory Limit: 30000K Description 题目描述 There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to…

题目:http://poj.org/problem?id=3080 水题,暴搜 #include <iostream> #include<cstdio> #include<cstring> #include<cstdlib> #include<stack> #include<queue> #include<iomanip> #include<cmath> #include<map> #include…

题目链接:http://poj.org/problem?id=3984 Description 定义一个二维数组: int maze[5][5] = { 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, }; 它表示一个迷宫,其中的1表示墙壁,0表示可以走的路,只能横着走或竖着走,不能斜着走,要求编程序找出从左上角到右下角的最短路线. Input 一个5 × 5的二维数组,表示一个迷宫.数据保证有…

DNA Sorting Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 80832   Accepted: 32533 Description One measure of ``unsortedness'' in a sequence is the number of pairs of entries that are out of order with respect to each other. For instanc…

Financial Management Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 126087   Accepted: 55836 Description Larry graduated this year and finally has a job. He's making a lot of money, but somehow never seems to have enough. Larry has deci…

题意:给定一个金字塔,第 i 行有 i 个数,从最上面走下来,只能相邻的层数,问你最大的和. 析:真是水题,学过DP的都会,就不说了. 代码如下: #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include <iostream> #include <cstring> #include <set> #include <…

一.Description Eva的家庭作业里有很多数列填空练习.填空练习的要求是:已知数列的前四项,填出第五项.因为已经知道这些数列只可能是等差或等比数列,她决定写一个程序来完成这些练习. Input 第一行是数列的数目t(0 <= t <= 20).以下每行均包含四个整数,表示数列的前四项.约定数列的前五项均为不大于10^5的自然数,等比数列的比值也是自然数. Output 对输入的每个数列,输出它的前五项. 二.题解      又是水题啊,感觉不能这样下去了,不然我自己也变水了. 三.j…

Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one of four adjacent tiles. But he can't move on red tiles, he can move only…

1.链接地址: http://bailian.openjudge.cn/practice/1979 http://poj.org/problem?id=1979 2.题目: 总时间限制: 1000ms 内存限制: 65536kB 描述 There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile.…