题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=4307 Description Let A be a 1*N matrix, and each element of A is either 0 or 1. You are to find such A that maximize D=(A*B-C)*AT, where B is a given N*N matrix whose elements are non-negative, C is…
Problem Description A group of thieves is approaching a museum in the country of zjsxzy,now they are in city A,and the museum is in city B,where keeps many broken legs of zjsxzy.Luckily,GW learned the conspiracy when he is watching stars and told it…
Pleasant sheep and big big wolf Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3316 Accepted Submission(s): 1360 Problem Description In ZJNU, there is a well-known prairie. And it attracts p…
Pleasant sheep and big big wolf Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 19 Accepted Submission(s): 14 Problem Description In ZJNU, there is a well-known prairie. And it attracts pleasant…
Catch the Theves Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 65768/32768 K (Java/Others)Total Submission(s): 1640 Accepted Submission(s): 514 Problem Description A group of thieves is approaching a museum in the country of zjsxzy,now t…
A group of thieves is approaching a museum in the country of zjsxzy,now they are in city A,and the museum is in city B,where keeps many broken legs of zjsxzy.Luckily,GW learned the conspiracy when he is watching stars and told it to zjsxzy. Zjsxzy d…
You are given an undirected graph G(V, E). Each vertex has a mark which is an integer from the range [0..231 – 1]. Different vertexes may have the same mark. For an edge (u, v), we define Cost(u, v) = mark[u] xor mark[v]. Now we know the marks of som…
Time Limit: 5 Seconds Memory Limit: 32768 KB Special Judge Network of Byteland consists of n servers, connected by m optical cables. Each cable connects two servers and can transmit data in both directions. Two servers of the network are especially i…
