| 1413 | Minimum Value to Get Positive Step by Step Sum | ArrayPrefix Sum | Easy |
| 1414 | Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | MathGreedy | Medium |
| 1415 | The k-th Lexicographical String of All Happy Strings of Length n | StringBacktracking | Medium |
| 1416 | Restore The Array | StringDynamic Programming | Hard |
| 1417 | Reformat The String | String | Easy |
| 1418 | Display Table of Food Orders in a Restaurant | ArrayHash TableString+2 | Medium |
| 1419 | Minimum Number of Frogs Croaking | StringCounting | Medium |
| 1420 | Build Array Where You Can Find The Maximum Exactly K Comparisons | Dynamic ProgrammingPrefix Sum | Hard |
| 1422 | Maximum Score After Splitting a String | StringPrefix Sum | Easy |
| 1423 | Maximum Points You Can Obtain from Cards | ArraySliding WindowPrefix Sum | Medium |
| 1424 | Diagonal Traverse II | ArraySortingHeap (Priority Queue) | Medium |
| 1425 | Constrained Subsequence Sum | ArrayDynamic ProgrammingQueue+3 | Hard |
| 1431 | Kids With the Greatest Number of Candies | Array | Easy |
| 1432 | Max Difference You Can Get From Changing an Integer | MathGreedy | Medium |
| 1433 | Check If a String Can Break Another String | StringGreedySorting | Medium |
| 1434 | Number of Ways to Wear Different Hats to Each Other | ArrayDynamic ProgrammingBit Manipulation+1 | Hard |
| 1436 | Destination City | ArrayHash TableString | Easy |
| 1437 | Check If All 1's Are at Least Length K Places Away | Array | Easy |
| 1438 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | ArrayQueueSliding Window+3 | Medium |
| 1439 | Find the Kth Smallest Sum of a Matrix With Sorted Rows | ArrayBinary SearchHeap (Priority Queue)+1 | Hard |
| 1441 | Build an Array With Stack Operations | ArrayStackSimulation | Medium |
| 1442 | Count Triplets That Can Form Two Arrays of Equal XOR | ArrayHash TableMath+2 | Medium |
| 1443 | Minimum Time to Collect All Apples in a Tree | Hash TableTreeDepth-First Search+1 | Medium |
| 1444 | Number of Ways of Cutting a Pizza | ArrayDynamic ProgrammingMemoization+2 | Hard |
| 1446 | Consecutive Characters | String | Easy |
| 1447 | Simplified Fractions | MathStringNumber Theory | Medium |
| 1448 | Count Good Nodes in Binary Tree | TreeDepth-First SearchBreadth-First Search+1 | Medium |
| 1449 | Form Largest Integer With Digits That Add up to Target | ArrayDynamic Programming | Hard |
| 1450 | Number of Students Doing Homework at a Given Time | Array | Easy |
| 1451 | Rearrange Words in a Sentence | StringSorting | Medium |
| 1452 | People Whose List of Favorite Companies Is Not a Subset of Another List | ArrayHash TableString | Medium |
| 1453 | Maximum Number of Darts Inside of a Circular Dartboard | ArrayMathGeometry | Hard |
| 1455 | Check If a Word Occurs As a Prefix of Any Word in a Sentence | Two PointersStringString Matching | Easy |
| 1456 | Maximum Number of Vowels in a Substring of Given Length | StringSliding Window | Medium |
| 1457 | Pseudo-Palindromic Paths in a Binary Tree | Bit ManipulationTreeDepth-First Search+2 | Medium |
| 1458 | Max Dot Product of Two Subsequences | ArrayDynamic Programming | Hard |
| 1460 | Make Two Arrays Equal by Reversing Subarrays | ArrayHash TableSorting | Easy |
| 1461 | Check If a String Contains All Binary Codes of Size K | Hash TableStringBit Manipulation+2 | Medium |
| 1462 | Course Schedule IV | Depth-First SearchBreadth-First SearchGraph+1 | Medium |
| 1463 | Cherry Pickup II | ArrayDynamic ProgrammingMatrix | Hard |
| 1464 | Maximum Product of Two Elements in an Array | ArraySortingHeap (Priority Queue) | Easy |
| 1465 | Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts | ArrayGreedySorting | Medium |
| 1466 | Reorder Routes to Make All Paths Lead to the City Zero | Depth-First SearchBreadth-First SearchGraph | Medium |
| 1467 | Probability of a Two Boxes Having The Same Number of Distinct Balls | ArrayMathDynamic Programming+3 | Hard |
| 1470 | Shuffle the Array | Array | Easy |
| 1471 | The k Strongest Values in an Array | ArrayTwo PointersSorting | Medium |
| 1472 | Design Browser History | ArrayLinked ListStack+3 | Medium |
| 1473 | Paint House III | ArrayDynamic Programming | Hard |
| 1475 | Final Prices With a Special Discount in a Shop | ArrayStackMonotonic Stack | Easy |
| 1476 | Subrectangle Queries | ArrayDesignMatrix | Medium |