2019年1月11日

Leetcode 224. Basic Calculator

摘要： Problem: Implement a basic calculator to evaluate a simple expression string. The expression string may contain open ( and closing parentheses ), the 阅读全文

posted @ 2019-01-11 11:01 周浩炜 阅读(147) 评论(0) 推荐(0) 编辑

Leetcode 84. Largest Rectangle in Histogram

摘要： Problem: Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in 阅读全文

posted @ 2019-01-11 09:15 周浩炜 阅读(98) 评论(0) 推荐(0) 编辑

Leetcode 552. Student Attendance Record II

摘要： Problem: Given a positive integer n, return the number of all possible attendance records with length n, which will be regarded as rewardable. The ans 阅读全文

posted @ 2019-01-11 06:52 周浩炜 阅读(405) 评论(0) 推荐(0) 编辑

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