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题目：Median of Two Sorted Arrays There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The 阅读全文
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题目：在两个排序数组中寻找第K小的数 举例： arr1=[1,2,3,4,5],arr2=[3,4,5],k=1 1是所有数中第一小的数，所以返回1 arr1=[1,2,3],arr2=[3,4,5,6],k=4 3是所有数中第4小的数，所以返回3 要求：如果arr1的长度为N，arr2的长度为M, 阅读全文
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题目：Longest Palindromic Substring Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. E 阅读全文