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IP属地:广东
  • [LeetCode]

    1.Given a binary tree and a sum, determine if the tree has a root-to-lea...

  • 算法概率课后题 8.14

    Ex.8.14 Prove that the following problem is NP-complete: given an undire...

  • [LeetCode] Minimum Depth of Binary Tree

    1.Given a binary tree, find its minimum depth. The minimum depth is the ...

  • [LeetCode] Symmetric Tree

    1.Given a binary tree, check whether it is a mirror of itself (ie, symme...

  • [LeetCode] Sqrt(x)

    1.Implement int sqrt(int x).Compute and return the square root of x.x is...

  • [LeetCode] Merge Sorted Array

    1.Given two sorted integer arrays nums1 and nums2, merge nums2 into nums...

  • [LeetCode] Implement strStr()

    1.Return the index of the first occurrence of needle in haystack, or -1 ...

  • [LeetCode] Remove Element

    1.Given an array and a value, remove all instances of that value in-plac...

  • [LeetCode] Merge Two Sorted Lists

    1.Merge two sorted linked lists and return it as a new list. The new lis...