Problems

3,947+ problems · 946 Easy · 2062 Medium · 939 Hard

Active:Easy· 946 results

Title	Solution	Practice	Difficulty	Companies	Topics
1421. NPV Queries	Solution	Solve	Easy	Amazon	Database
1422. Maximum Score After Splitting a String	Solution	Solve	Easy	Amazon+2	Prefix Sum String
1426. Counting Elements	Solution	Solve	Easy	Drw	Array Hash Table
1427. Perform String Shifts	Solution	Solve	Easy	Goldman Sachs	Array Math+1
1431. Kids With the Greatest Number of Candies	Solution	Solve	Easy	Amazon+5	Array
1435. Create a Session Bar Chart	Solution	Solve	Easy	Twitch	Database
1436. Destination City	Solution	Solve	Easy	Amazon+3	Array Hash Table+1
1437. Check If All 1's Are at Least Length K Places Away	Solution	Solve	Easy	Bloomberg+2	Array
1446. Consecutive Characters	Solution	Solve	Easy	Amazon+3	String
1450. Number of Students Doing Homework at a Given Time	Solution	Solve	Easy	-	Array
1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence	Solution	Solve	Easy	Amazon+5	String String Matching+1
1460. Make Two Arrays Equal by Reversing Subarrays	Solution	Solve	Easy	Amazon+3	Array Hash Table+1
1464. Maximum Product of Two Elements in an Array	Solution	Solve	Easy	Amazon+5	Array Heap (Priority Queue)+1
1469. Find All The Lonely Nodes	Solution	Solve	Easy	Microsoft	Binary Tree Breadth-First Search+2
1470. Shuffle the Array	Solution	Solve	Easy	Amazon+5	Array
1474. Delete N Nodes After M Nodes of a Linked List	Solution	Solve	Easy	Microsoft	Linked List
1475. Final Prices With a Special Discount in a Shop	Solution	Solve	Easy	Amazon+6	Array Monotonic Stack+1
1480. Running Sum of 1d Array	Solution	Solve	Easy	Adobe+7	Array Prefix Sum
1484. Group Sold Products By The Date	Solution	Solve	Easy	Amazon+3	Database
1486. XOR Operation in an Array	Solution	Solve	Easy	Google+1	Bit Manipulation Math
1491. Average Salary Excluding the Minimum and Maximum Salary	Solution	Solve	Easy	Bloomberg+1	Array Sorting
1495. Friendly Movies Streamed Last Month	Solution	Solve	Easy	Amazon	Database
1496. Path Crossing	Solution	Solve	Easy	Amazon+2	Hash Table String
1502. Can Make Arithmetic Progression From Sequence	Solution	Solve	Easy	Amazon+4	Array Sorting
1507. Reformat Date	Solution	Solve	Easy	Adobe+3	String
1511. Customer Order Frequency	Solution	Solve	Easy	Amazon	Database
1512. Number of Good Pairs	Solution	Solve	Easy	Accenture+9	Array Counting+2
1517. Find Users With Valid E-Mails	Solution	Solve	Easy	Amazon+4	Database
1518. Water Bottles	Solution	Solve	Easy	Accenture+8	Math Simulation
1523. Count Odd Numbers in an Interval Range	Solution	Solve	Easy	Amazon+3	Math
1527. Patients With a Condition	Solution	Solve	Easy	Amazon+3	Database
1528. Shuffle String	Solution	Solve	Easy	Amazon+2	Array String
1534. Count Good Triplets	Solution	Solve	Easy	Amazon+3	Array Enumeration
1539. Kth Missing Positive Number	Solution	Solve	Easy	Amazon+9	Array Binary Search
1543. Fix Product Name Format	Solution	Solve	Easy	-	Database
1544. Make The String Great	Solution	Solve	Easy	Amazon+5	Stack String
1550. Three Consecutive Odds	Solution	Solve	Easy	Amazon+4	Array
1556. Thousand Separator	Solution	Solve	Easy	-	String
1560. Most Visited Sector in a Circular Track	Solution	Solve	Easy	Expedia+1	Array Simulation
1565. Unique Orders and Customers Per Month	Solution	Solve	Easy	-	Database
1566. Detect Pattern of Length M Repeated K or More Times	Solution	Solve	Easy	Hrt	Array Enumeration
1571. Warehouse Manager	Solution	Solve	Easy	Amazon	Database
1572. Matrix Diagonal Sum	Solution	Solve	Easy	Amazon+5	Array Matrix
1576. Replace All ?'s to Avoid Consecutive Repeating Characters	Solution	Solve	Easy	Microsoft	String
1581. Customer Who Visited but Did Not Make Any Transactions	Solution	Solve	Easy	Adobe+7	Database
1582. Special Positions in a Binary Matrix	Solution	Solve	Easy	Etsy+2	Array Matrix
1587. Bank Account Summary II	Solution	Solve	Easy	Google	Database
1588. Sum of All Odd Length Subarrays	Solution	Solve	Easy	Amazon+2	Array Math+1
1592. Rearrange Spaces Between Words	Solution	Solve	Easy	Google	String
1598. Crawler Log Folder	Solution	Solve	Easy	Amazon+3	Array Stack+1