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这个。。。。数据范围给得很有问题啊。。。绝对不止100个啊。。。。开到很大才ac,前面都re了。。。 还有,这句话不用管: Logically, they are N lines of N space-separated integers. Physically, they are limited in length to 80 characters, so some lines continue onto others. Followed by:
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