1004: This is Halloween: Saving Money Time Limit: 1 Sec      Memory Limit: 128 MB Submit: 11      Solved: 2 Description The Mayor of Halloween Town was always concerned about saving money. When the Pumpkin King, Jack Skelington decided to try his han…

Halloween treats Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 7644   Accepted: 2798   Special Judge Description Every year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sweets…

Saving HDU Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7194    Accepted Submission(s): 3345 Problem Description 话说上回讲到海东集团面临内外交困,公司的元老也只剩下XHD夫妇二人了.显然,作为多年拼搏的商人,XHD不会坐以待毙的.  一天,当他正在苦思冥想解困良策的…

1004: [HNOI2008]Cards Description 小春现在很清闲,面对书桌上的N张牌,他决定给每张染色,目前小春只有3种颜色:红色,蓝色,绿色.他询问Sun有 多少种染色方案,Sun很快就给出了答案.进一步,小春要求染出Sr张红色,Sb张蓝色,Sg张绝色.他又询问有多少种方 案,Sun想了一下,又给出了正确答案. 最后小春发明了M种不同的洗牌法,这里他又问Sun有多少种不同的染色方案. 两种染色方法相同当且仅当其中一种可以通过任意的洗牌法(即可以使用多种洗牌法,而每种方法可以使…

Codeforces Round #262 (Div. 2) 1004 D. Little Victor and Set time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Victor adores the sets theory. Let us remind you that a set is a group of…

1004. Counting Leaves (30)   A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Each input file contains one test case. Each case starts with a line containing 0 < N < 100,…

1422 - Halloween Costumes   PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB Gappu has a very busy weekend ahead of him. Because, next weekend is Halloween, and he is planning to attend as many parties as he can. Since it's…

Saving File android读写文件的形式和普通的java IO的方式并没有什么不同,唯一有所限制的是当我们创建文件的时候不能够在像javaSE那样随意了.一般android读写文件有两种形式: 1 File file = new File(context.getFilesDir(), filename); 2 FileOutputStream outputStream = openFileOutput(filename, Context.MODE_PRIVATE); 强烈推荐使用第一…

Saving Key-value Sets  保存键值对 SharedPreferences只能用来保存一些简单的数据,并且这些数据可以是共享的,也可以是私有的. SharedPreferences没有构造方法,只能同个Context中的getSharePreference获得. 获取共享首选项的句柄 您可以通过调用以下两种方法之一创建新的共享首选项文件或访问现有的文件: getSharedPreferences() - 如果您需要按照您用第一个参数指定的名称识别的多个共享首选项文件,请使用此方…

1000 A+B Problem 题目大意:输入两个数a和b,输出他们的和. 代码: #include <stdio.h> int main() { int a, b; while (scanf("%d%d" , &a, &b) != EOF) { printf("%d\n", a + b); } return 0; } 1004 Financial Management 题目大意:告诉你Larry的12个月的工资,求这12个月的工资的平…

电脑重装了sqlserver2008 R2(英文版)后,新建数据表,新建字段,发现有个字段类型设置错了,想修改字段类型,而该表已经保存好了,即保存后修改字段属性.但无法保存修改后的设置,提示“Saving changes is not permitted"(具体如下图) 解决方法: 在菜单栏找到Tools->options,找到Designers,然后将Prevent saving changes that require table re_creation前面的勾去掉,保存后即可. 如果…

Shanghai Regional Online Contest 1004 In the ACM International Collegiate Programming Contest, each team consist of three students. And the teams are given 5 hours to solve between 8 and 12 programming problems. On Mars, there is programming contest,…

Description 给你一个序列,和m种可以使用多次的置换,用3种颜色染色,求方案数%p. Sol Burnside定理+背包. Burnside定理 \(N(G,\mathbb{C})=\frac {1}{\left | G \right |}\sum_{f\in G}\left |\mathbb{C}(f)  \right |\) \(\mathbb{C}\) 中非等价的着色数等于在 \(G\) 中的置换作用下保持不变的着色的平均数.<组合数学> 对于每一种置换 求出关于置换的一个有向…

题目链接:https://www.patest.cn/contests/pat-a-practise/1004 大意:输出按层次输出每层无孩子结点的个数 思路:vector存储结点,dfs遍历 #include<iostream> #include<cstdio> #include<string> #include<vector> #include<algorithm> using namespace std; ; int n,m,k,x,f[m…

Saving Beans Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4315    Accepted Submission(s): 1687 Problem Description Although winter is far away, squirrels have to work day and night to save be…

From Save (Not Permitted) Dialog Box on MSDN : The Save (Not Permitted) dialog box warns you that saving changes is not permitted because the changes you have made require the listed tables to be dropped and re-created. The following actions might re…

题目:http://www.lydsy.com/JudgeOnline/problem.php?id=1004 分析: 1.确定方向:肯定是组合数学问题,不是Polya就是Burnside,然后题目上说每种颜色的个数都是一定的,所以肯定是Burnside了 2.确定置换群:首先输入的那么多肯定是每个都是一个置换,那么要不要对每个叠加呢?不用的,因为题目上说“输入数据保证任意多次洗牌都可用这 m种洗牌法中的一种代替,且对每种洗牌法,都存在一种洗牌法使得能回到原状态”.所以对于读入的所有就是整个置换…

题目传送门 /* stack 容器的应用: 要求字典序升序输出,所以先搜索入栈的 然后逐个判断是否满足答案,若不满足,回溯继续搜索,输出所有符合的结果 */ #include <cstdio> #include <iostream> #include <algorithm> #include <stack> #include <cmath> #include <cstring> #include <vector> usin…

Problem 1004: 蛤玮打扫教室 Time Limits:  1000 MS   Memory Limits:  65536 KB 64-bit interger IO format:  %lld   Java class name:  Main Description 现在知道一共有n个机房,算上蛤玮一共有m个队员,教练做了m个签,每个签上写着两个数L,R(L<=R),抽到的人要把[L,R]的教室全部打扫一遍.由于蛤玮是队长而且他很懒,他通过某种交易提前知道了所有m个签上面写的是什么,…

1004. Counting Leaves (30) A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Each input file contains one test case. Each case starts with a line containing 0 < N < 100, th…

1004. 成绩排名 (20) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 CHEN, Yue 读入n名学生的姓名.学号.成绩,分别输出成绩最高和成绩最低学生的姓名和学号. 输入格式:每个测试输入包含1个测试用例,格式为 第1行:正整数n 第2行:第1个学生的姓名 学号 成绩 第3行:第2个学生的姓名 学号 成绩 ... ... ... 第n+1行:第n个学生的姓名 学号 成绩 其中姓名和学号均为不超过10个字符的字符串,成绩…

http://acm.hdu.edu.cn/showproblem.php?pid=5025 Saving Tang Monk Problem Description   <Journey to the West>(also <Monkey>) is one of the Four Great Classical Novels of Chinese literature. It was written by Wu Cheng'en during the Ming Dynasty.…

Saving Beans Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2079    Accepted Submission(s): 748 Problem Description Although winter is far away, squirrels have to work day and night to save bea…

Saving Princess claire_ Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4308 Description Princess claire_ was jailed in a maze by Grand Demon Monster(GDM) teoy. Out of anger, little Prince ykwd…

Saving Princess claire_ Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2354    Accepted Submission(s): 843 Problem Description Princess claire_ was jailed in a maze by Grand Demon Monster(GDM)…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=1004 题目大意:给你个栈,给你源串和目标串,按字典序输出符合要求的进站出站序列. 就是搜搜搜呗... 带上答案和模拟的栈.. 代码: #include <cstdio> #include <cstdlib> #include <string> #include <iostream> #include <cstring&…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4308 Saving Princess claire_ Description Princess claire_ was jailed in a maze by Grand Demon Monster(GDM) teoy.Out of anger, little Prince ykwd decides to break into the maze to rescue his lovely Prince…

Burnside/Polya+背包DP 这道题目是等价类计数裸题吧……>_> 题解:http://m.blog.csdn.net/blog/njlcazl_11109/8316340 啊其实重点还是:找出每个置换下的不动点数目 这道题比较特殊,牌的数量是限定的,所以只能DP来搞……(dp[R][G][B]表示的是R张红牌,G张绿牌,B张蓝牌在当前这个置换下,有多少种方案是会置换回自身的) 恒等置换单独处理一下即可(其实就是总染色数,多重集排列数吧……$\frac{N!}{R!G!B!}$) 最…

题目链接 题意 : n支队伍,每场两个队伍表演,有可能两个队伍都得一分,也可能其中一个队伍一分,也可能都是0分,每个队伍将参加的场次得到的分数加起来,给你每个队伍最终得分,让你计算至少表演了几场. 思路 : ans = max(maxx,(sum+1)/2) :其实想想就可以,如果所有得分中最大值没有和的一半大,那就是队伍中一半一半对打,否则的话最大的那个就都包了. #include <cstdio> #include <cstring> #include <stdlib.h…

题目传送门 /* 二分图点染色:这题就是将点分成两个集合就可以了,点染色用dfs做, 剩下的点放到点少的集合里去 官方解答:首先二分图可以分成两类点X和Y, 完全二分图的边数就是|X|*|Y|.我们的目的是max{|X|*|Y|}, 并且|X|+|Y|=n. 修正:实现多连通块染色,然后贪心选择,将两个集合个数差大的连通块优先添加,能尽量使得un*vn最大 */ #include <cstdio> #include <algorithm> #include <cstring&…