LeetCode 210. Course Schedule II
Description https://leetcode.com/problems/course-schedule-ii/ There are a total of numCourses courses you have to take, labeled from 0 to numCourses – 1. You are given an array prerequisites where prerequisites[i]…
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LeetCode 253. Meeting Rooms II
Description https://leetcode.com/problems/meeting-rooms-ii/ Given an array of meeting time intervals intervals where intervals[i] = [starti, endi], return the minimum number of conference rooms required. Example…
LeetCode 681. Next Closest Time
Description https://leetcode.com/problems/next-closest-time/ Given a time represented in the format “HH:MM”, form the next closest time by reusing the current digits.…
LeetCode 159. Longest Substring with At Most Two Distinct Characters
Description https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/ Given a string s , find the length of the longest substring t that contains at most 2 distinct characters. Example 1: Input: “eceba”…
LeetCode 351. Android Unlock Patterns
Description https://leetcode.com/problems/android-unlock-patterns/ Given an Android 3×3 key lock screen and two integers m and n, where 1 ≤ m ≤ n ≤ 9, count the…
LeetCode 212. Word Search II
Description https://leetcode.com/problems/word-search-ii/ Given an m x n board of characters and a list of strings words, return all words on the board. Each word must…
LeetCode 208. Implement Trie (Prefix Tree)
Description https://leetcode.com/problems/implement-trie-prefix-tree/ Implement a trie with insert, search, and startsWith methods. Example: Trie trie = new Trie(); trie.insert(“apple”); trie.search(“apple”); // returns true trie.search(“app”); //…
LeetCode 489. Robot Room Cleaner
Description https://leetcode.com/problems/robot-room-cleaner/ You are controlling a robot that is located somewhere in a room. The room is modeled as an m…
Top Questions from Microsoft
Total 58 questions. Introduction Top interview questions asked by Microsoft as voted by the LeetCode community. LeetCode compiled this list…
LeetCode 127. Word Ladder
Description https://leetcode.com/problems/word-ladder/ Given two words (beginWord and endWord), and a dictionary’s word list, find the length of shortest transformation sequence from beginWord to endWord, such…