题目描述：
LeetCode 583. Delete Operation for Two Strings
Given two words word1 and word2, find the minimum number of steps required to make word1 and word2 the same, where in each step you can delete one character in either string ...
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[LeetCode]Delete Operation for Two Strings
[LeetCode]Kill Process
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LeetCode.
题目描述：
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 one or more children processes. This is just ...
[LeetCode]Shortest Unsorted Continuous Subarray
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LeetCode 581. Shortest Unsorted Continuous Subarray
Given an integer array, you need to find one continuous subarray that if you only sort this subarray in ascending order, then the whole array will be sorted in ascending order, too.
You ...
[LeetCode]Count Student Number in Departments
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题目描述：
LeetCode 580. Count Student Number in Departments
A university uses 2 data tables, student and department, to store data about its students and the departments associated with each major.
Write a query to print the respective department name and ...
[LeetCode]Get Highest Answer Rate Question
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题目描述：
LeetCode 578. Get Highest Answer Rate Question
Get the highest answer rate question from a table survey_log with these columns: uid, action, question_id, answer_id, q_num, timestamp.
uid means user id; action has these kind of values: "show", "answer", "skip" ...