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Gold Balanced LineupTime Limit:2000MSMemory Limit:65536KTotal Submissions:10516Accepted:3145DescriptionFarmer John'sNcows (1 ≤N≤ 100,000) share many similarities. In fact, FJ has been able to narrow down the list of features shared by his cows to a list of onlyKdifferent features (1 ≤K≤ 30). For 阅读全文
摘要:
To the MaxTime Limit:1000MSMemory Limit:10000KTotal Submissions:36422Accepted:19130DescriptionGiven a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located within the whole array. The sum of a rectangle is the sum of all t 阅读全文
摘要:
TrianglesAccept:12 Submit:28 Time Limit:1000MS Memory Limit:65536KBDescriptionThere are points given in a space. There are no three points, such that they lie on the same straight line. Each pair of points is connected by a segment coloured red or black. Each triangle, whose sides have the same colo 阅读全文