LeetCode Weekly Contest 68是LeetCode举办的第七十二场正式周赛，共5道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-68/
题解列表：
LeetCode 767. Reorganize String
LeetCode 769. Max Chunks To Make Sorted
归档 2018年1月24日
LeetCode Weekly Contest 68解题报告
[LeetCode]Basic Calculator IV
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LeetCode.
题目描述：
LeetCode 770. Basic Calculator IV
Given an expression such as expression = "e + 8 - a + 5" and an evaluation map such as {"e": 1} (given in terms of evalvars = ["e"] and evalints = [1]), return a list of tokens representing the ...