Description ​ 一条'Z'形线可以将平面分为两个区域,那么由N条Z形线所定义的区域的最大个数是多少呢?每条Z形线由两条平行的无限半直线和一条直线段组成 Input 首先输入一个数字T(T<100),代表有T次询问 每次询问输入一个数字N(N<1e8),代表有N条Z形线 Output 对于每次询问,在一行输出N条'Z'形线所能划分的区域的最大个数为多少 Sample Input 2 1 2 Sample Output 2 12 Hint Source Author csutsz 可以…

一条‘Z’形线可以将平面分为两个区域,那么由N条Z形线所定义的区域的最大个数是多少呢?每条Z形线由两条平行的无限半直线和一条直线段组成 Input 首先输入一个数字T(T<100),代表有T次询问 每次询问输入一个数字N(N<1e8),代表有N条Z形线 Output 对于每次询问,在一行输出N条‘Z’形线所能划分的区域的最大个数为多少 Sample Input 2 1 2 Sample Output 2 12 Hint 分析: 首先考虑一个类似的问题: 有N组直线,每组都由3条平行的直线构成,…

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A water problem Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 342    Accepted Submission(s): 187 Problem Description Two planets named Haha and Xixi in the universe and they were created with…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5443 The Water Problem Description In Land waterless, water is a very limited resource. People always fight for the biggest source of water. Given a sequence of water sources with $a_1, a_2, a_3, . . . ,…

Water problem 题目链接: http://acm.split.hdu.edu.cn/showproblem.php?pid=5867 Description If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3+3+5+4+4=19 letters used in total.If all the numbers from 1 to n (up to…

A water problem Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 595    Accepted Submission(s): 308 Problem Description Two planets named Haha and Xixi in the universe and they were created with…

A water problem 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5832 Description Two planets named Haha and Xixi in the universe and they were created with the universe beginning. There is 73 days in Xixi a year and 137 days in Haha a year. Now you k…

The Water Problem Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5443 Description In Land waterless, water is a very limited resource. People always fight for the biggest source of water. Given a sequence of wat…

http://acm.hdu.edu.cn/showproblem.php?pid=4974 话说是签到题,我也不懂什么是签到题. A simple water problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 196    Accepted Submission(s): 124 Problem Description Dr…