题意: Given a sequence a_1,a_2,...,a_n, if we can take some of them(each a_i can only be used once), and they sum to k, then we say this sequence is a good sequence. How many good sequence are there? Given that each a_i is an integer and 0<= a_i <= L.…
Our happy ending Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 570 Accepted Submission(s): 183 Problem Description There is an old country and the king fell in love with a devil. The devi…
The Romantic Her Problem Description There is an old country and the king fell in love with a devil. The devil always asks the king to do some crazy things. Although the king used to be wise and beloved by his people. Now he is just like a boy in lov…
Atlantis Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11551 Accepted Submission(s): 4906 Problem Description There are several ancient Greek texts that contain descriptions of the fabled…
链接:http://acm.hdu.edu.cn/showproblem.php?pid=1086 You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7167 Accepted Submission(s): 3480 Problem Description Ma…
题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5154 Harry and Magical Computer Description In reward of being yearly outstanding magic student, Harry gets a magical computer. When the computer begins to deal with a process, it will work until the end…
题目链接:http://acm.hdu.edu.cn/showproblem.php? pid=1038 Biker's Trip Odometer Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5226 Accepted Submission(s): 3476 Problem Description Most bicycle…
