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题目描述: 1128 N Queens Puzzle (20 分) The "eight queens puzzle" is the problem of placing eight chess queens on an 8 chessboard so that no two queens thre 阅读全文
posted @ 2021-03-12 15:59
cono奇犽哒
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题目描述: 1129 Recommendation System (25 分) Recommendation system predicts the preference that a user would give to an item. Now you are asked to program 阅读全文
posted @ 2021-03-12 15:25
cono奇犽哒
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