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Remove Linked List Elements My Submissions QuestionEditorial Solution Total Accepted: 61924 Total Submissions: 215788 Difficulty: Easy Remo... 阅读全文
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Binary Tree Preorder Traversal My Submissions QuestionEditorial Solution Total Accepted: 119655 Total Submissions: 300079 Difficulty: Mediu... 阅读全文
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Flatten Binary Tree to Linked List My Submissions QuestionEditorial Solution Total Accepted: 81373 Total Submissions: 261933 Difficulty: Me... 阅读全文
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最近在腾讯,百度等的面试中被问到了上面某个或几个问题,我这人一碰到笔试面试什么鬼的就是紧张,然后就乱说话,其实很多东西我知道,只是表达不清,也许自己没有去整理,所以其实大脑中概念不清晰,今天梳理一下,用自己的语言来描述下这些概念: 1.野指针 比如说吧: int main()... 阅读全文
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数组指针和指针数组的区别 数组指针(也称行指针) 定义 int (*p)[n]; ()优先级高,首先说明p是一个指针,指向一个整型的一维数组,这个一维数组的长度是n,也可以说是p的步长。也就是说执行p+1时,p要跨过n个整型数据的长度。 如要将二维数组赋给一指针,应这样赋值: int... 阅读全文
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Linked List Cycle II My Submissions QuestionEditorial Solution Total Accepted: 74093 Total Submissions: 235430 Difficulty: Medium Given a l... 阅读全文
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Linked List Cycle My Submissions QuestionEditorial Solution Total Accepted: 102785 Total Submissions: 278248 Difficulty: Easy Given a linke... 阅读全文
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Intersection of Two Linked Lists My Submissions QuestionEditorial Solution Total Accepted: 72580 Total Submissions: 239762 Difficulty: Easy... 阅读全文
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一. 文件(文件夹)的权限问题 一个文件或者文件夹,使用它的人有三类:root、当前用户和其他用户,例如,我们可以通过 ls -l xxx.xxx 来查看文件 “xxx.xxx” 的权限,比如我查看 /var/log/ 中的 boot.log 文件的权限:ls -l /var/log/... 阅读全文
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Plus One My Submissions QuestionEditorial Solution Total Accepted: 98403 Total Submissions: 292594 Difficulty: Easy Given a non-negative nu... 阅读全文