Description Given a m × n chessboard, a stone is put on the top-left corner (1, 1). Kevin and Bob take turns moving the stone. One can only move the stone one block right or downward and cannot stay in the same block. Kevin goes first and the one who
Magic boy Bi Luo with his excited tree Problem Description Bi Luo is a magic boy, he also has a migic tree, the tree has N nodes , in each node , there is a treasure, it's value is V[i], and for each edge, there is a cost C[i], which means every time
Alice and Bob Time Limit: 1000ms Memory limit: 65536K 题目描述 Alice and Bob like playing games very much.Today, they introduce a new game. There is a polynomial like this: (a0*x^(2^0)+1) * (a1 * x^(2^1)+1)*.......*(an-1 * x^(2^(n-1))+1). Then Alice as
最大的位或 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 18 Accepted Submission(s): 17 Problem Description B君和G君聊天的时候想到了如下的问题.给定自然数l和r ,选取2个整数x,y满足l <= x <= y <= r ,使得x|y最大.其中|表示按位或,即C. C++.
点击打开链接 2226: Contest Print Server Time Limit: 1 Sec Memory Limit: 128 MB Submit: 53 Solved: 18 [Submit][Status][Web Board] Description In ACM/ICPC on-site contests ,3 students share 1 computer,so you can print your source code any time. Here you ne
http://acm.fzu.edu.cn/problem.php?pid=2105 Problem Description Given N integers A={A[0],A[1],...,A[N-1]}. Here we have some operations: Operation 1: AND opn L R Here opn, L and R are integers. For L≤i≤R, we do A[i]=A[i] AND opn (here "AND" is bi
朋友 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description B君在围观一群男生和一群女生玩游戏,具体来说游戏是这样的:给出一棵n个节点的树,这棵树的每条边有一个权值,这个权值只可能是0或1. 在一局游戏开始时,会确定一个节点作为根.接下来从女生开始,双方轮流进行 操作.当一方操作时,他们需要先选择一个不为根的点,满足该点到其父亲的边权为1; 然
最大的位或 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description B君和G君聊天的时候想到了如下的问题.给定自然数l和r ,选取2个整数x,y满足l <= x <= y <= r ,使得x|y最大.其中|表示按位或,即C. C++. Java中的|运算. Input 包含至多10001组测试数据.第一行有一个正整数,表示数据的组数.
异或密码 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description 晨晨在纸上写了一个长度为N的非负整数序列{ai}.对于这个序列的一个连续子序列{al,al+1,-,ar}晨晨可以求出其中所有数异或的结果 alxoral+1xor...xorar其 中xor表示位异或运算,对应C.C++. Java等语言中的^运算.小璐提出了M个询问,每个询问用
传递 Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description 我们称一个有向图G是传递的,当且仅当对任意三个不同的顶点a,,若G中有 一条边从a到b且有一条边从b到c ,则G中同样有一条边从a到c.我们称图G是一个竞赛图,当且仅当它是一个有向图且它的基图是完全图.换句 话说,将完全图每条边定向将得到一个竞赛图.下图展示的是一个有4个顶点
扫雷 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 998 Accepted Submission(s): 289 Problem Description 扫雷游戏是晨晨和小璐特别喜欢的智力游戏,她俩最近沉迷其中无法自拔.该游戏的界面是一个矩阵,矩阵中有些格子中有一个地雷,其余格子中没有地雷. 游戏中,格子可能处于己知和未知的状态
Equation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 92 Accepted Submission(s): 24 Problem Description Little Ruins is a studious boy, recently he learned addition operation! He was rewa
Difference Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 62 Accepted Submission(s): 19 Problem Description Little Ruins is playing a number game, first he chooses two positive integers y an
Kingdom of Obsession Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 49 Accepted Submission(s): 14 Problem Description There is a kindom of obsession, so people in this kingdom do things very
Four Operations Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22 Accepted Submission(s): 12 Problem Description Little Ruins is a studious boy, recently he learned the four operations!Now h
Car Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25 Accepted Submission(s): 12 Problem Description Ruins is driving a car to participating in a programming contest. As on a very tight sche
Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10 Accepted Submission(s): 3 Problem Description There are N bombs needing exploding.Each bomb has three attributes: exploding radius ri,