There are N points and M segments, the ith point is located at p[i] and the ith segment's size is s[i]. What is the maximum number of points that can be covered by these segments?
My current solution is O(N * 2^M * M). Is there any better solution?
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Given a DAG (V, E), find the maximum subset V' of V so that every vertex in V' can't reach other vertices in V'. |V| <= 3000, |E| <= 20000
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