#1223 : 不等式 Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://hihocoder.com/problemset/problem/1223 Description 给定n个关于X的不等式,问最多有多少个成立. 每个不等式为如下的形式之一: X < C X <= C X = C X > C X >= C Input 第一行一个整数n. 以下n行,每行一个不等式. 数据范围: 1<=N<=50,0<=C&l…

最最最最最最最基本的Trie词频统计应用了. package trie; import java.util.Scanner; public class Main { public static void main( String[] args ) { TrieTree tt = new TrieTree(); Scanner sc = new Scanner( System.in ); while(sc.hasNext()){ int n = sc.nextInt(); for(int i=0;…

题目链接:http://hihocoder.com/problemset/problem/1322 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 给定一个包含 N 个顶点 M 条边的无向图 G ,判断 G 是不是一棵树. 输入 第一个是一个整数 T ,代表测试数据的组数. (1 ≤ T ≤ 10) 每组测试数据第一行包含两个整数 N 和 M .(2 ≤ N ≤ 500, 1 ≤ M ≤ 100000) 以下 M 行每行包含两个整数 a 和 b ,表示顶点 a 和顶…

Monster 题目链接: http://acm.hust.edu.cn/vjudge/contest/123554#problem/I Description Teacher Mai has a kingdom. A monster has invaded this kingdom, and Teacher Mai wants to kill it. Monster initially has h HP. And it will die if HP is less than 1. Teache…

转载请注明出处:優YoU http://blog.csdn.net/lyy289065406/article/details/6642573 部分解题报告添加新内容,除了原有的"大致题意"和"解题思路"外, 新增"Source修正",因为原Source较模糊,这是为了帮助某些狂WA的同学找到测试数据库,但是我不希望大家利用测试数据打表刷题 ­­ ­ 推荐文:1.一位ACMer过来人的心得 2. POJ测试数据合集 OJ上的一些水题(可用来练手和增…

一道耗时间的水题 Time Limit: 2000/1000ms (Java/Others) Problem Description: Do you know how to read the phone numbers in English? Now let me tell you. For example, In China, the phone numbers are 11 digits, like: 15012233444. Someone divides the numbers into…

Nasty Hacks Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3049    Accepted Submission(s): 2364 Problem Description You are the CEO of Nasty Hacks Inc., a company that creates small pieces of…

CSU 1772 漫漫上学路 Time Limit: 1000MS   Memory Limit: 131072KB   64bit IO Format: %lld & %llu Submit Status Description 对于csuxushu来说,能够在CSU(California State University)上学是他一生的荣幸.CSU校园内的道路设计的十分精巧,由n+1条水平道路和n+1条竖直道路等距交错而成,充分体现了校园深厚的文化底蕴.然而不幸的是CS市每到夏季,天降大雨,…

1050: 写一个函数,使给定的一个二维数组(3×3)转置,即行列互换 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 154  Solved: 112[Submit][Status][Web Board] Description 写一个函数,使给定的一个二维数组(3×3)转置,即行列互换. Input 一个3x3的矩阵 Output 转置后的矩阵 Sample Input 1 2 3 4 5 6 7 8 9 Sample Output 1 4 7…

DP 水题 Description A number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, ... shows the first 20 humble numbers. Write a program to find and print…