| 1364. Number of Trusted Contacts of a Customer | | | Solve | Medium | | |
| 1366. Rank Teams by Votes | | | Solve | Medium | | |
| 1367. Linked List in Binary Tree | | | Solve | Medium | | |
| 1371. Find the Longest Substring Containing Vowels in Even Counts | | | Solve | Medium | | |
| 1372. Longest ZigZag Path in a Binary Tree | | | Solve | Medium | | |
| 1375. Number of Times Binary String Is Prefix-Aligned | | | Solve | Medium | | |
| 1376. Time Needed to Inform All Employees | | | Solve | Medium | | |
| 1381. Design a Stack With Increment Operation | | | Solve | Medium | | |
| 1382. Balance a Binary Search Tree | | | Solve | Medium | | |
| 1386. Cinema Seat Allocation | | | Solve | Medium | | |
| 1387. Sort Integers by The Power Value | | | Solve | Medium | | |
| 1390. Four Divisors | | | Solve | Medium | | |
| 1391. Check if There is a Valid Path in a Grid | | | Solve | Medium | | |
| 1393. Capital Gain/Loss | | | Solve | Medium | | |
| 1395. Count Number of Teams | | | Solve | Medium | | |
| 1396. Design Underground System | | | Solve | Medium | | |
| 1398. Customers Who Bought Products A and B but Not C | | | Solve | Medium | | |
| 1400. Construct K Palindrome Strings | | | Solve | Medium | | |
| 1401. Circle and Rectangle Overlapping | | | Solve | Medium | | |
| 1404. Number of Steps to Reduce a Number in Binary Representation to One | | | Solve | Medium | | |
| 1405. Longest Happy String | | | Solve | Medium | | |
| 1409. Queries on a Permutation With Key | | | Solve | Medium | | |
| 1410. HTML Entity Parser | | | Solve | Medium | | |
| 1414. Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | | | Solve | Medium | | |
| 1415. The k-th Lexicographical String of All Happy Strings of Length n | | | Solve | Medium | | |
| 1418. Display Table of Food Orders in a Restaurant | | | Solve | Medium | | |
| 1419. Minimum Number of Frogs Croaking | | | Solve | Medium | | |
| 1423. Maximum Points You Can Obtain from Cards | | | Solve | Medium | | |
| 1424. Diagonal Traverse II | | | Solve | Medium | | |
| 1428. Leftmost Column with at Least a One | | | Solve | Medium | | |
| 1429. First Unique Number | | | Solve | Medium | | |
| 1430. Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree | | | Solve | Medium | | |
| 1432. Max Difference You Can Get From Changing an Integer | | | Solve | Medium | | |
| 1433. Check If a String Can Break Another String | | | Solve | Medium | | |
| 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | | | Solve | Medium | | |
| 1440. Evaluate Boolean Expression | | | Solve | Medium | | |
| 1441. Build an Array With Stack Operations | | | Solve | Medium | | |
| 1442. Count Triplets That Can Form Two Arrays of Equal XOR | | | Solve | Medium | - | |
| 1443. Minimum Time to Collect All Apples in a Tree | | | Solve | Medium | | |
| 1445. Apples & Oranges | | | Solve | Medium | | |
| 1447. Simplified Fractions | | | Solve | Medium | | |
| 1448. Count Good Nodes in Binary Tree | | | Solve | Medium | | |
| 1451. Rearrange Words in a Sentence | | | Solve | Medium | | |
| 1452. People Whose List of Favorite Companies Is Not a Subset of Another List | | | Solve | Medium | | |
| 1454. Active Users | | | Solve | Medium | | |
| 1456. Maximum Number of Vowels in a Substring of Given Length | | | Solve | Medium | | |
| 1457. Pseudo-Palindromic Paths in a Binary Tree | | | Solve | Medium | | |
| 1459. Rectangles Area | | | Solve | Medium | | |
| 1461. Check If a String Contains All Binary Codes of Size K | | | Solve | Medium | | |
| 1462. Course Schedule IV | | | Solve | Medium | | |
