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蜘蛛牌Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3527    Accepted Submission(s): 1515Problem Description蜘蛛牌是windows xp操作系统自带的

24 Point game时间限制：3000 ms  |  内存限制：65535 KB难度：5描述There is a game which is called 24 Point game.In this game , you will be given some numbers. Your task is to find an expressi

整数划分（四）时间限制：1000 ms  |  内存限制：65535 KB难度：3描述       暑假来了，hrdv 又要留学校在参加ACM集训了，集训的生活非常Happy（ps：你懂得），可是他最近遇到了一个难题，让他百思不得其解，他非常郁闷。。亲爱的你能帮帮他吗？      问题是我们经常见到的整数划分，给出两个整数 n , m ,要求在 n

FFF at ValentineTime Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 425    Accepted Submission(s): 212Problem DescriptionAt Vale

迷宫寻宝（一） 时间限制：1000 ms | 内存限制：65535 KB 难度：4 描述 一个叫ACM的寻宝者找到了一个藏宝图，它根据藏宝图找到了一个迷宫，这是一个很特别的迷宫，迷宫里有N个编过号的门（N<=5)，它们分别被编号为A,B,C,D,E.为了找到宝藏，ACM必须打开门，但是，开门之前必须在迷宫里找到这个打开这个门所需的所有钥匙（每个门都至少有一把钥匙），例如：现在A门有三把钥

图像有用区域 时间限制：3000 ms | 内存限制：65535 KB 难度：4 描述 “ACKing”同学以前做一个图像处理的项目时，遇到了一个问题，他需要摘取出图片中某个黑色线圏成的区域以内的图片，现在请你来帮助他完成第一步，把黑色线圏外的区域全部变为黑色。 已知黑线各处不会出现交叉（如图2）,并且，除了黑线上的点外，图像中没有纯黑色（即像素为0的点）。输入 第一行输入测试数据的

Counting CliquesTime Limit: 8000/4000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2738 Accepted Submission(s): 994Problem Description A clique is a complete

走迷宫时间限制：1000 ms  |  内存限制：65535 KB难度：5描述Dr.Kong设计的机器人卡多非常爱玩，它常常偷偷跑出实验室，在某个游乐场玩之不疲。这天卡多又跑出来了，在SJTL游乐场玩个不停，坐完碰碰车，又玩滑滑梯，这时卡多又走入一个迷宫。整个迷宫是用一个N * N的方阵给出，方阵中单元格中填充了一个整数，表示走到这个位置的难度。这个

E. Connected Components?time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given an undirected graph

D. Love Rescuetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputValya and Tolya are an ideal pair, but they quarrel sometimes. Recently, Valya took ...

XYZ and DropsTime Limit: 3000/1500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2111    Accepted Submission(s): 730Problem DescriptionXYZ is playing an interesting...

Gnome TetravexTime Limit: 10 Seconds      Memory Limit: 32768 KBHart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at the beginning, the player is given n

Frame StackingTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 5507 Accepted: 1924DescriptionConsider the following 5 picture frames placed on an 9 x 8 a

Rikka with TreeTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 893    Accepted Submission(s): 409Problem DescriptionAs we know,

Stealing Harry Potter's PreciousTime Limit: 1000msMemory Limit: 32768KBThis problem will be judged on HDU. Original ID: 477164-bit integer IO format: %I64d      Java class name: Main

Lights Against DudelyTime Limit: 1000msMemory Limit: 32768KBThis problem will be judged on HDU. Original ID: 477064-bit integer IO format: %I64d      Java class name: MainPrev

Ancient GoTime Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 2258    Accepted Submission(s): 701Problem DescriptionYu Zhou likes to

Wow! Such Conquering!Time Limit: 15000/8000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1841    Accepted Submission(s): 535Problem DescriptionTher

Find a wayTime Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11673    Accepted Submission(s): 3792Problem DescriptionPass a year le

Ignatius and the Princess ITime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17965    Accepted Submission(s): 5764Special JudgeProblem

题目链接题意：有个n*m的图，每个点都有权值，求从(1,1)走到(n,n)有最小权值的路径的方案数，要求路径必须沿次对角线对称思路：由于题目要求路径必须沿次对角线对称，那么就可以把以次对角线对称的点的权值加过来，这样只用求(1,1)到对角线的最小权路径方案数即可，就不用考虑对称的问题然后考虑如何限制路径，我们可以先求出(1,1)到每一点经过路径的最小权dp[i][j]，然后以找出对角线上的最小权值...