In geometry the Fermat point of a triangle, also called Torricelli point, is a point such that the total distance from the three vertices of the triangle to the point is the minimum. It is so named because this problem is first raised by Fermat in a…
F - Computer Virus on Planet Pandora Time Limit:2000MS Memory Limit:128000KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 3695 Appoint description: System Crawler (2014-11-05) Description Aliens on planet Pandora also write…
Description A new Semester is coming and students are troubling for selecting courses. Students select their course on the web course system. There are n courses, the ith course is available during the time interval (A i,B i). That means, if you…
Description Math Olympiad is called “Aoshu” in China. Aoshu is very popular in elementary schools. Nowadays, Aoshu is getting more and more difficult. Here is a classic Aoshu problem: ABBDE __ ABCCC = BDBDE In the equation above, a letter stands for…
Description “Farm Game” is one of the most popular games in online community. In the community each player has a virtual farm. The farmer can decide to plant some kinds of crops like wheat or paddy, and buy the corresponding crop seeds. After they gr…
C - To Be an Dream Architect Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 3682 Appoint description: System Crawler (2014-11-09) Description The “dream architect” is the key role in a team o…
F - Rotational Painting Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 3685 Appoint description: System Crawler (2014-11-09) Description Josh Lyman is a gifted painter. One of his great works…
C - To Be an Dream Architect Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 3682 Appoint description: System Crawler (2014-11-05) Description The “dream architect” is the key role in a team o…
H - National Day Parade Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 3687 Appoint description: System Crawler (2014-11-08) Description There are n×n students preparing for the National Day…
Description Harry: "But Hagrid. How am I going to pay for all of this? I haven't any money." Hagrid: "Well there's your money, Harry! Gringotts, the wizard bank! Ain't no safer place. Not one. Except perhaps Hogwarts." ― Rubeus Hagrid…
Invoker Time Limit : 2000/1000ms (Java/Other) Memory Limit : 122768/62768K (Java/Other) Total Submission(s) : 1 Accepted Submission(s) : 0 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description On of Vance's favourite hero i…
Problem Description During summer vacation,Alice stay at home for a long time, with nothing to do. She went out and bought m pokers, tending to play poker. But she hated the traditional gameplay. She wants to change. She puts these pokers face down,…
Happy 2004 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2183 Accepted Submission(s): 1582 Problem Description Consider a positive integer X,and let S be the sum of all positive integer di…
题目传送:http://acm.hdu.edu.cn/showproblem.php?pid=4704 Problem Description Sample Input 2 Sample Output 2 Hint 1. For N = 2, S(1) = S(2) = 1. 2. The input file consists of multiple test cases. 题意是输入一个N,求N被分成1个数的结果+被分成2个数的结果+...+被分成N个数的结果,N很大 1.隔板原…
M斐波那契数列 Time Limit : 3000/1000ms (Java/Other) Memory Limit : 65535/32768K (Java/Other) Total Submission(s) : 43 Accepted Submission(s) : 28 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description M斐波那契数列F[n]是一种整数数列,它的定义如下: F[…
Sum Time Limit : 2000/1000ms (Java/Other) Memory Limit : 131072/131072K (Java/Other) Total Submission(s) : 78 Accepted Submission(s) : 30 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Sample Input 2 Sample Output 2…
Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1424 Accepted Submission(s): 469 Problem Description Holion August will eat every thing he has found. Now there are many foods,bu…