| 1477 | Find Two Non-overlapping Sub-arrays Each With Target Sum | ArrayHash TableBinary Search+2 | Medium |
| 1481 | Least Number of Unique Integers after K Removals | ArrayHash TableGreedy+2 | Medium |
| 1482 | Minimum Number of Days to Make m Bouquets | ArrayBinary Search | Medium |
| 1487 | Making File Names Unique | ArrayHash TableString | Medium |
| 1488 | Avoid Flood in The City | ArrayHash TableBinary Search+2 | Medium |
| 1492 | The kth Factor of n | MathNumber Theory | Medium |
| 1493 | Longest Subarray of 1's After Deleting One Element | ArrayDynamic ProgrammingSliding Window | Medium |
| 1497 | Check If Array Pairs Are Divisible by k | ArrayHash TableCounting | Medium |
| 1498 | Number of Subsequences That Satisfy the Given Sum Condition | ArrayTwo PointersBinary Search+1 | Medium |
| 1503 | Last Moment Before All Ants Fall Out of a Plank | ArrayBrainteaserSimulation | Medium |
| 1504 | Count Submatrices With All Ones | ArrayDynamic ProgrammingStack+2 | Medium |
| 1508 | Range Sum of Sorted Subarray Sums | ArrayTwo PointersBinary Search+2 | Medium |
| 1509 | Minimum Difference Between Largest and Smallest Value in Three Moves | ArrayGreedySorting | Medium |
| 1513 | Number of Substrings With Only 1s | MathString | Medium |
| 1514 | Path with Maximum Probability | ArrayGraphHeap (Priority Queue)+1 | Medium |
| 1519 | Number of Nodes in the Sub-Tree With the Same Label | Hash TableTreeDepth-First Search+2 | Medium |
| 1524 | Number of Sub-arrays With Odd Sum | ArrayMathDynamic Programming+1 | Medium |
| 1525 | Number of Good Ways to Split a String | Hash TableStringDynamic Programming+1 | Medium |
| 1529 | Minimum Suffix Flips | StringGreedy | Medium |
| 1530 | Number of Good Leaf Nodes Pairs | TreeDepth-First SearchBinary Tree | Medium |
| 1535 | Find the Winner of an Array Game | ArraySimulation | Medium |
| 1536 | Minimum Swaps to Arrange a Binary Grid | ArrayGreedyMatrix | Medium |
| 1540 | Can Convert String in K Moves | Hash TableString | Medium |
| 1541 | Minimum Insertions to Balance a Parentheses String | StringStackGreedy | Medium |
| 1545 | Find Kth Bit in Nth Binary String | StringRecursionSimulation | Medium |
| 1546 | Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | ArrayHash TableGreedy+1 | Medium |
| 1551 | Minimum Operations to Make Array Equal | Math | Medium |
| 1552 | Magnetic Force Between Two Balls | ArrayBinary SearchSorting | Medium |
| 1557 | Minimum Number of Vertices to Reach All Nodes | Graph | Medium |
| 1558 | Minimum Numbers of Function Calls to Make Target Array | ArrayGreedyBit Manipulation | Medium |
| 1559 | Detect Cycles in 2D Grid | ArrayDepth-First SearchBreadth-First Search+2 | Medium |
| 1561 | Maximum Number of Coins You Can Get | ArrayMathGreedy+2 | Medium |
| 1562 | Find Latest Group of Size M | ArrayHash TableBinary Search+1 | Medium |
| 1567 | Maximum Length of Subarray With Positive Product | ArrayDynamic ProgrammingGreedy | Medium |
| 1573 | Number of Ways to Split a String | MathString | Medium |
| 1574 | Shortest Subarray to be Removed to Make Array Sorted | ArrayTwo PointersBinary Search+2 | Medium |
| 1577 | Number of Ways Where Square of Number Is Equal to Product of Two Numbers | ArrayHash TableMath+1 | Medium |
| 1578 | Minimum Time to Make Rope Colorful | ArrayStringDynamic Programming+1 | Medium |
| 1583 | Count Unhappy Friends | ArraySimulation | Medium |
| 1584 | Min Cost to Connect All Points | ArrayUnion FindGraph+1 | Medium |
| 1589 | Maximum Sum Obtained of Any Permutation | ArrayGreedySorting+1 | Medium |
| 1590 | Make Sum Divisible by P | ArrayHash TablePrefix Sum | Medium |
| 1593 | Split a String Into the Max Number of Unique Substrings | Hash TableStringBacktracking | Medium |
| 1594 | Maximum Non Negative Product in a Matrix | ArrayDynamic ProgrammingMatrix | Medium |
| 1599 | Maximum Profit of Operating a Centennial Wheel | ArraySimulation | Medium |
| 1600 | Throne Inheritance | Hash TableTreeDepth-First Search+1 | Medium |
| 1604 | Alert Using Same Key-Card Three or More Times in a One Hour Period | ArrayHash TableString+1 | Medium |
| 1605 | Find Valid Matrix Given Row and Column Sums | ArrayGreedyMatrix | Medium |
| 1609 | Even Odd Tree | TreeBreadth-First SearchBinary Tree | Medium |
| 1615 | Maximal Network Rank | Graph | Medium |