题面有误

P1302 可见矩形

@[Alex_Wei](/user/123294) @[10circle](/user/267596)
by yu1128 @ 2024-04-24 12:49:07


@[离散小波变换°](/user/68344) @[StudyingFather](/user/22030) @[Maxmilite](/user/274993)
by yu1128 @ 2024-04-24 13:02:52


@[a1111a](/user/1043449) Fixed, thx.
by Maxmilite @ 2024-04-25 00:38:11


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