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一、Contains DuplicateGiven an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at le... 阅读全文
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Given a sorted integer array without duplicates, return the summary of its ranges.For example, given[0,1,2,4,5,7], return["0->2","4->5","7"].分析:题意为给定一... 阅读全文
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一、Rising Temperature Given a Weather table, write a SQL query to find all dates' Ids with higher temperature compared to its previous (yesterday's) da 阅读全文
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SQL面试题(1)create table testtable1(id int IDENTITY,department varchar(12))select * from testtable1insert into testtable1 values('设计')insert into testtab... 阅读全文
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Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NULL.No... 阅读全文