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(di,dj,j*di-dj*i)で表される直線の管理
(di,dj,j*di-dj*i)
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https://atcoder.jp/contests/abc377/tasks/abc377_f
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これ一点も交わらない,一点で交わる,無限点で交わるの三択になるな
ある直線があるグリッド内にどれくらいのマスを持つかもほしい
無限点で交わる場合は直線が返ってほしい
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(di,dj,j*di-dj*i)
で表される直線の管理The text was updated successfully, but these errors were encountered: