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Moo University - Team Tryouts
N (1 <= N <= 1,000) calves try out for the Moo U gymnastics team this year, each with a positive integer height and a weight less than 100,000. Your goal is to select a team of as many calves as possible from this group. There is only one constraint the team must satisfy: the height H and weight W of each calf on the team must obey the following inequality:
where h and w are the minimum height and weight values over all calves on the team, and A, B and C are supplied positive integral constants less than 10,000. Compute the maximum number of calves on the team.
* Line 1: A single integer, N
* Line 2: Three space-separated integers, A, B and C
* Lines 3..N+2: Two space-separated integers: respectively the height and weight of a calf
* Line 1: One integer, the maximum number of calves on the team.
8 1 2 4 5 1 3 2 2 3 2 1 7 2 6 4 5 1 4 3
Calves 1, 2, 3, 4 and 7, for example, form a legal team. A larger team is impossible.
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