[LeetCode] 1081. Smallest Subsequence of Distinct Characters 不同字符的最小子序列
Return the lexicographically smallest subsequence of s that contains all the distinct characters of s exactly once. Note: This question ...
原文：[Swift]LeetCode1081. 不同字符的最小子序列 | Smallest Subsequence of Distinct Characters
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LeetCode 1081. Smallest Subsequence of Distinct Characters
原題鏈接在這里：https://leetcode.com/problems/smallest-subsequence-of-distinct-characters/ 題目： Return the lexicographically smallest subsequence of text ...
LeetCode——不同字符的最小子序列/去除重復字母
Q：返回字符串 text 中按字典序排列最小的子序列，該子序列包含 text 中所有不同字符一次。 示例 1： 輸入："cdadabcc" 輸出："adbc" 示例 2： 輸入："abcd" 輸出："abcd" 示例 3： 輸入："ecbacba" 輸出："eacb" 示例 4： 輸入 ...
[LeetCode] 865. Smallest Subtree with all the Deepest Nodes 包含最深結點的最小子樹
Given a binary tree rooted at `root`, the *depth* of each node is the shortest distance to the root ...
[LeetCode] 727. Minimum Window Subsequence 最小窗口序列
Given strings S and T, find the minimum (contiguous) substring W of S, so that T is a subsequence of W. If there is no such window in S ...
[LeetCode] Is Subsequence 是子序列
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s ...
[LeetCode] 727. Minimum Window Subsequence 最小窗口子序列
all characters in T, return the empty string "". If ...
[Swift]LeetCode1198. 找出所有行中最小公共元素 | Find Smallest Common Element in All Rows
★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★➤微信公眾號：山青詠芝（let_us_code）➤博主域名：https://www.zengqiang.org➤GitHub地址：https://github.com/strengthen/LeetCode➤原文地址 ...