题目链接: Machine  Time Limit: 2000/1000 MS (Java/Others)  Memory Limit: 65536/65536 K (Java/Others) 问题描述 有一个机器,它有 m (2\leq m\leq 30)m(2≤m≤30) 个彩灯和一个按钮.每按下按钮时,最右边的彩灯会发生一次变换.变换为: 1. 如果当前状态为红色,它将变成绿色: 2.如果当前状态为绿色,它将变成蓝色: 3.如果当前状态为蓝色,它将变成红色,并且它左边的彩灯(如果存在)也会…

Machine 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5670 Description There is a machine with m(2≤m≤30) coloured bulbs and a button.When the button is pushed, the rightmost bulb changes. For any changed bulb, if it is red now it will be green; if…

Delete Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5210 Description wld有n个数(a1,a2,...,an),他希望进行k次删除一个数的操作,使得最后剩下的n−k个数中有最多的不同的数,保证1≤n≤100,0≤k<n,1≤ai≤n(对于任意1≤i≤n) Input 多组数据(最多100组)对于每组数据:第一行:一个数n表示数的个数接下来一行:…

统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 36295    Accepted Submission(s): 13515 Problem Description Ignatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的…

题目链接:1344: still水题 Description 送AC,不解释 Input 输入两个整数n和b,b表示该数的进制(包含2.8.16进制,多组数组) Output 输出该整数(10进制,每组一行) Sample Input 01 2 10 2 100 2 0111 2 1 8 3 8 6 8 12 8 017 8 1 16 2A 16 0BF 16 Sample Output 1 2 4 7 1 3 6 10 15 1 42 191 HINT 16进制下,字母为大写 分析…

已知有n个单位的水,问有几种方式把这些水喝完,每天至少喝1个单位的水,而且每天喝的水的单位为整数.看上去挺复杂要跑循环,但其实上,列举几种情况之后就会发现是找规律的题了= =都是2的n-1次方,而且这题输出二进制数就行了......那就更简单了,直接输出1,然后后面跟n-1个0就行了╮(╯_╰)╭ 下面AC代码 #include<iostream> #include<cstdio> #include<cstring> #include<algorithm>…

题目: http://acm.hdu.edu.cn/showproblem.php?pid=4493 题意我都不好意思说,就是求12个数的平均数... 但是之所以发博客,显然有值得发的... 这个题最坑的地方就是结果精确到便士,也就是小数点后2位,不输出后缀0,所以需要处理一下输出格式. 一开始我是用c语言这样写的: #include <stdio.h> #include <string.h> int main() { int t; scanf("%d", &a…

GPA Time Limit: 20 Sec  Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4802 Description In college, a student may take several courses. for each course i, he earns a certain credit (ci), and a mark ranging from A to F, which is c…

Machine Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 290    Accepted Submission(s): 179 Problem Description There is a machine with m(2≤m≤30) coloured bulbs and a button.When the button is pu…

Tutor Time Limit: 20 Sec  Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4493 Description Lilin was a student of Tonghua Normal University. She is studying at University of Chicago now. Besides studying, she worked as a tutor tea…