Dashboard Questions Topics Companies Sheets

Microsoft Interview Questions

534 coding problems asked in Microsoft interviews. Prepare for your technical interview with real questions.

534

Problems

120

Easy

329

Medium

Hard

Difficulty

All534 Easy120 Medium329 Hard85

Title	Solve	Difficulty	Companies	Topics
1209. Remove All Adjacent Duplicates in String II	Solve	Medium	Amazon+7	Stack String
1218. Longest Arithmetic Subsequence of Given Difference	Solve	Medium	Facebook+2	Array Dynamic Programming+1
1232. Check If It Is a Straight Line	Solve	Easy	Accenture+3	Array Geometry+1
1239. Maximum Length of a Concatenated String with Unique Characters	Solve	Medium	Adobe+5	Array Backtracking+2
1245. Tree Diameter	Solve	Medium	Facebook+2	Breadth-First Search Depth-First Search+3
1246. Palindrome Removal	Solve	Hard	Microsoft	Array Dynamic Programming
1249. Minimum Remove to Make Valid Parentheses	Solve	Medium	Adobe+6	Stack String
1267. Count Servers that Communicate	Solve	Medium	Microsoft	Array Breadth-First Search+4
1273. Delete Tree Nodes	Solve	Medium	Microsoft	Array Breadth-First Search+2
1275. Find Winner on a Tic Tac Toe Game	Solve	Easy	Amazon+4	Array Hash Table+2
1285. Find the Start and End Number of Continuous Ranges	Solve	Medium	Microsoft	Database
1304. Find N Unique Integers Sum up to Zero	Solve	Easy	Microsoft	Array Math
1306. Jump Game III	Solve	Medium	Amazon+5	Array Breadth-First Search+1
1319. Number of Operations to Make Network Connected	Solve	Medium	Amazon+4	Breadth-First Search Depth-First Search+2
1324. Print Words Vertically	Solve	Medium	Microsoft+1	Array Simulation+1
1329. Sort the Matrix Diagonally	Solve	Medium	Microsoft	Array Matrix+1
1342. Number of Steps to Reduce a Number to Zero	Solve	Easy	Apple+2	Bit Manipulation Math
1344. Angle Between Hands of a Clock	Solve	Medium	Amazon+3	Math
1358. Number of Substrings Containing All Three Characters	Solve	Medium	Adobe+2	Hash Table Sliding Window+1
1367. Linked List in Binary Tree	Solve	Medium	Amazon+1	Binary Tree Depth-First Search+2
1369. Get the Second Most Recent Activity	Solve	Hard	Microsoft	Database
1371. Find the Longest Substring Containing Vowels in Even Counts	Solve	Medium	Microsoft	Bit Manipulation Hash Table+2
1374. Generate a String With Characters That Have Odd Counts	Solve	Easy	Microsoft	String
1375. Number of Times Binary String Is Prefix-Aligned	Solve	Medium	Grab+1	Array
1386. Cinema Seat Allocation	Solve	Medium	Amazon+1	Array Bit Manipulation+2
1394. Find Lucky Integer in an Array	Solve	Easy	Microsoft	Array Counting+1
1404. Number of Steps to Reduce a Number in Binary Representation to One	Solve	Medium	Amazon+2	Bit Manipulation String
1405. Longest Happy String	Solve	Medium	Amazon+4	Greedy Heap (Priority Queue)+1
1415. The k-th Lexicographical String of All Happy Strings of Length n	Solve	Medium	Microsoft	Backtracking String
1417. Reformat The String	Solve	Easy	Google+1	String
1441. Build an Array With Stack Operations	Solve	Medium	24/7 Innovation Labs+4	Array Simulation+1
1448. Count Good Nodes in Binary Tree	Solve	Medium	Microsoft+1	Binary Tree Breadth-First Search+2
1458. Max Dot Product of Two Subsequences	Solve	Hard	Microsoft	Array Dynamic Programming
1469. Find All The Lonely Nodes	Solve	Easy	Microsoft	Binary Tree Breadth-First Search+2
1474. Delete N Nodes After M Nodes of a Linked List	Solve	Easy	Microsoft	Linked List
1480. Running Sum of 1d Array	Solve	Easy	Microsoft	Array Prefix Sum
1487. Making File Names Unique	Solve	Medium	Expedia+1	Array Hash Table+1
1494. Parallel Courses II	Solve	Hard	Google+1	Bit Manipulation Bitmask+2
1510. Stone Game IV	Solve	Hard	Microsoft	Dynamic Programming Game Theory+1
1512. Number of Good Pairs	Solve	Easy	Adobe+2	Array Counting+2
1518. Water Bottles	Solve	Easy	Amazon+2	Math Simulation
1531. String Compression II	Solve	Hard	Adobe+3	Dynamic Programming String
1539. Kth Missing Positive Number	Solve	Easy	Amazon+4	Array Binary Search
1541. Minimum Insertions to Balance a Parentheses String	Solve	Medium	Facebook+1	Greedy Stack+1
1546. Maximum Number of Non-Overlapping Subarrays With Sum Equals Target	Solve	Medium	Google+1	Array Greedy+2
1551. Minimum Operations to Make Array Equal	Solve	Medium	Microsoft	Math
1570. Dot Product of Two Sparse Vectors	Solve	Medium	Amazon+4	Array Design+2
1573. Number of Ways to Split a String	Solve	Medium	Microsoft+1	Math String
1576. Replace All ?'s to Avoid Consecutive Repeating Characters	Solve	Easy	Microsoft	String
1578. Minimum Time to Make Rope Colorful	Solve	Medium	Amazon+2	Array Dynamic Programming+2