归档 2018年2月18日

LeetCode Weekly Contest 72解题报告

LeetCode Weekly Contest 72是LeetCode举办的第七十六场正式周赛,共4道题目,比赛时长1.5小时。

比赛链接:https://leetcode.com/contest/leetcode-weekly-contest-72/

题解列表:

LeetCode 784. Letter Case Permutation

LeetCode 785. Is Graph Bipartite?

LeetCode 787. Cheapest Flights Within K Stops

LeetCode 786. K-th Smallest Prime Fraction

[LeetCode]Letter Case Permutation

题目描述:

LeetCode 784. Letter Case Permutation

Given a string S, we can transform every letter individually to be lowercase or uppercase to create another string.  Return a list of all possible strings we could create.

Examples:
Input: S = "a1b2"
Output ...

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