Given an array A of integers and integer K, return the maximum S such that there exists i < j with A[i] + A[j] = S and S < K. If no i, j exist satisfy ...
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其他好文 时间:
2020-01-12 11:53:41
阅读次数:
79
Shuffle a set of numbers without duplicates. Example: // Init an array with set 1, 2, and 3. int[] nums = {1,2,3}; Solution solution = new Solution(nu ...
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其他好文 时间:
2020-01-12 10:10:14
阅读次数:
101
Given an array of integers with possible duplicates, randomly output the index of a given target number. You can assume that the given target number m ...
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其他好文 时间:
2020-01-12 09:53:56
阅读次数:
64
作为合格的工程师,这些电路图一辈子都得记住! 时间:2017-11-08 关键字:电路图 放大电路 一、 信号滤波器 1、信号滤波器的作用: 与电源滤波器的区别和相同点: 2、LC 串联和并联电路的阻抗计算,幅频关系和相频关系曲线。 3、画出通频带曲线。 计算谐振频率。 二、 微分和积分电路 1、电 ...
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其他好文 时间:
2020-01-10 15:56:52
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74
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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其他好文 时间:
2020-01-09 13:29:51
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67
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. For this problem, a height-balanced binary tree is d ...
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其他好文 时间:
2020-01-09 13:08:36
阅读次数:
69
Given an integer n, generate all structurally unique BST's (binary search trees) that store values 1 ... n. Example: Input: 3 Output: [ [1,null,3,2], ...
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其他好文 时间:
2020-01-08 12:43:14
阅读次数:
72
Given n, how many structurally unique BST's (binary search trees) that store values 1 ... n? Example: Input: 3 Output: 5 Explanation: Given n = 3, the ...
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其他好文 时间:
2020-01-07 13:18:06
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58
Given a binary tree, find the length of the longest consecutive sequence path. The path refers to any sequence of nodes from some starting node to any ...
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其他好文 时间:
2020-01-05 11:56:36
阅读次数:
74
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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其他好文 时间:
2020-01-05 11:37:20
阅读次数:
72