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Given a string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end indexes are c 阅读全文
posted @ 2018-08-25 08:11
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Given n processes, each process has a unique PID (process id) and its PPID (parent process id). Each process only has one parent process, but may have 阅读全文
posted @ 2018-08-25 07:40
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The Trips table holds all taxi trips. Each trip has a unique Id, while Client_Id and Driver_Id are both foreign keys to the Users_Id at the Users tabl 阅读全文
posted @ 2018-08-25 07:12
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Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 <= i < j < k < n that satisfy the condition nums[i] + 阅读全文
posted @ 2018-08-25 02:10
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