随笔分类 - STL----其他
vector
摘要：Return any binary tree that matches the given preorder and postorder traversals. Values in the traversals pre and post are distinct positive integers.
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摘要：Given preorder and inorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For example,
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摘要：Given inorder and postorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For example,
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摘要：Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). Y
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摘要：A peak element is an element that is greater than its neighbors. Given an input array nums, where nums[i] ≠ nums[i+1], find a peak element and return
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摘要：Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime com
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摘要：Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, yo
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摘要：Given a binary tree, return the preorder traversal of its nodes' values. Example: Follow up: Recursive solution is trivial, could you do it iterativel
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摘要：Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. Example
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摘要：Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree [3
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摘要：You need to find the largest value in each row of a binary tree. Example:
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摘要：690. Employee Importance Easy 377369FavoriteShare 690. Employee Importance Easy 377369FavoriteShare Easy You are given a data structure of employee in
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摘要：Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacen
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摘要：We are given head, the head node of a linked list containing unique integer values. We are also given the list G, a subset of the values in the linked
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摘要：International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: "a" maps to ".-", "b"maps
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摘要：1005 继续(3n+1)猜想 （25 分) 卡拉兹(Callatz)猜想已经在1001中给出了描述。在这个题目里，情况稍微有些复杂。 当我们验证卡拉兹猜想的时候，为了避免重复计算，可以记录下递推过程中遇到的每一个数。例如对 n=3 进行验证的时候，我们需要计算 3、5、8、4、2、1，则当我们对
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摘要：Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop o
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摘要：You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nums1'
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摘要：You're now a baseball game point recorder. Given a list of strings, each string can be one of the 4 following types: Each round's operation is permane
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