Given the root of a binary tree, each node has a value from 0 to 25 representing the letters 'a' to 'z': a value of 0 represents 'a', a value of 1 rep ...
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其他好文 时间：
2019-02-05 13:13:56
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142
题目： 思路： 读完题之后第一时间想到的是尺取法来做这个题，结果让自己写写崩了，还是练得少！！ 到网上搜了一下学习了大佬的标记方法，用一个变量来判断是不是都已经出现，要比每次都判断一下快超多。 代码： ...
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其他好文 时间：
2019-02-03 18:05:58
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158
Given the root of a binary tree, each node has a value from 0 to 25 representing the letters 'a' to 'z': a value of 0 represents 'a', a value of 1repr ...
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其他好文 时间：
2019-02-03 14:11:35
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195
题目要求 Given an array A of integers, for each integer A[i] we may choose any x with -K <= x <= K, and add x to A[i]. After this process, we have some ar ...
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其他好文 时间：
2019-02-03 10:42:23
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195
https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/ Given a n x n matrix where each of the rows and columns are sorted in ascending ...
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其他好文 时间：
2019-01-30 21:45:57
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190
"943.Find the Shortest Superstring 旅行商问题&状态压缩DP" Given an array A of strings, find any smallest string that contains each string in A as a substring. ...
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其他好文 时间：
2019-01-19 16:19:49
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265
41. First Missing Positive 题目链接:https://leetcode.com/problems/first-missing-positive/ Description: Given an unsorted integer array, find the smallest ...
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其他好文 时间：
2019-01-05 21:30:55
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200
描述 Given a sequence, we define the seqence's value equals the difference between the largest element and the smallest element in the sequence. As an e ...
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其他好文 时间：
2018-12-30 17:34:19
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213
An image is represented by a binary matrix with 0 as a white pixel and 1 as a black pixel. The black pixels are connected, i.e., there is only one bla ...
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其他好文 时间：
2018-12-21 21:17:29
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240
