Description 上次Gardon的迷宫城堡小希玩了很久(见Problem B),现在她也想设计一个迷宫让Gardon来走.但是她设计迷宫的思路不一样,首先她认为所有的通道都应该是双向连通的,就是说如果有一个通道连通了房间A和B,那么既可以通过它从房间A走到房间B,也可以通过它从房间B走到房间A,为了提高难度,小希希望任意两个房间有且仅有一条路径可以相通(除非走了回头路).小希现在把她的设计图给你,让你帮忙判断她的设计图是否符合她的设计思路.比如下面的例子,前两个是符合条件的,但是最后一个…

Sum Problem Time Limit: 1000/500 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 338086    Accepted Submission(s): 85117 Problem Description Hey, welcome to HDOJ(Hangzhou Dianzi University Online Judge). In this pro…

A + B Problem Too Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 13465    Accepted Submission(s): 10008 Problem Description This problem is also a A + B problem,but it has a little difference,…

Uniform Generator Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21176 Accepted Submission(s): 8294 Problem Description Computer simulations often require random numbers. One way to generate pseu…

Drainage Ditches Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 8861    Accepted Submission(s): 4141 Problem Description Every time it rains on Farmer John's fields, a pond forms over Bessie's…

今天和昨天都没有做题,昨天是因为复习太累后面忘了,今天也是上午考毛概,下午又忙着复习计算机图形学,晚上也是忘了结果打了暗黑3,把暗黑3 打通关了,以后都不会玩太多游戏了,争取明天做3题把题目补上,拖越久越难补的道理我是知道的. 亲和数 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 26484    Accepted Submissio…

人见人爱A-B Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 53836    Accepted Submission(s): 15147 Problem Description 参加过上个月月赛的同学一定还记得其中的一个最简单的题目,就是{A}+{B},那个题目求的是两个集合的并集,今天我们这个A-B求的是两个集合的差,就是做集合的…

人见人爱A^B Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 27711    Accepted Submission(s): 18946 Problem Description 求A^B的最后三位数表示的整数. 说明:A^B的含义是"A的B次方"   Input 输入数据包含多个测试实例,每个实例占一行,由两个正整 数A和…

昨天做的那题其实和大整数相加类似.记得当初我大一寒假就卡在这1002题上,结果之后就再也没写题... 到今天终于把大整数相加写了一遍. 不过写的很繁琐,抽时间改进一下写简洁一点. #include<queue> #include<math.h> #include<stdio.h> #include<string.h> #include<iostream> #include<algorithm> using namespace std;…

Lovekey Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6721    Accepted Submission(s): 2186 Problem Description XYZ-26进制数是一个每位都是大写字母的数字. A.B.C.-.X.Y.Z 分别依次代表一个0 ~ 25 的数字,一个 n 位的26进制数转化成是10进制的规…