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解法枚举两个矩形,看看他们的分割区间是不是被其他矩形给盖住了,如果有一对被盖住了,就无解,都没被盖住,就有解,复杂度O(K*K*K*log(K)) 判断是否被盖住用区间的并来做要排个序的。 Followed by: Post your reply here: |
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