摘要：
Given an array of integers, find out whether there are two distinct indices i and j in the array such that the absolute difference between nums[i] and 阅读全文
posted @ 2019-04-29 15:47
小白兔云
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摘要：
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing only 1's and return its area. Example: 题目大意： 求二维矩阵中正方形面积的最大值。 解法： 阅读全文
posted @ 2019-04-29 14:41
小白兔云
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摘要：
Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and each combination should be 阅读全文
posted @ 2019-04-29 10:39
小白兔云
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