| Problem | Difficulty |
|---|---|
| 945. Minimum Increment to Make Array Unique | Medium (1448) |
| 1647. Minimum Deletions to Make Character Frequencies Unique | Medium (1509) |
| 1509. Minimum Difference Between Largest and Smallest Value in Three Moves | Medium (1653) |
| 3397. Maximum Number of Distinct Elements After Operations | Medium (1687) |
| 948. Bag of Tokens | Medium (1762) |
| 1775. Equal Sum Arrays With Minimum Number of Operations | Medium (1850) |
| Problem | Difficulty |
|---|---|
| 561. Array Partition | Easy |
| 881. Boats to Save People | Medium |
| 2592. Maximize Greatness of an Array | Medium (1569) |
| 1877. Minimize Maximum Pair Sum in Array | Medium (1301) |
| 976. Largest Perimeter Triangle | Easy (1340) |
| 826. Most Profit Assigning Work | Medium (1708) |
| Problem | Difficulty |
|---|
| Problem | Difficulty |
|---|---|
| 1221. Split a String in Balanced Strings | Easy (1219) |
| 605. Can Place Flowers | Easy |
| 1529. Minimum Suffix Flips | Medium (1392) |
| 861. Score After Flipping Matrix | Medium (1818) |
| Problem | Difficulty |
|---|---|
| 767. Reorganize String | Medium (1681) |
| 984. String Without AAA or BBB | Medium (1474) |
| 1405. Longest Happy String | Medium (1820) |
| 621. Task Scheduler | Medium |
The following problems can be categorized into the other topics, such as heap, stack...etc.
| Problem | Difficulty |
|---|---|
| 55. Jump Game | Medium |
| 45. Jump Game II | Medium |
| 334. Increasing Triplet Subsequence | Medium |
| 134. Gas Station | Medium |
| 135. Candy | Hard |
| 455. Assign Cookies | Easy |
| 1541. Minimum Insertions to Balance a Parentheses String | Medium (1759) |
| 1249. Minimum Remove to Make Valid Parentheses | Medium (1657) |
| 1963. Minimum Number of Swaps to Make the String Balanced | Medium (1688) |
| 3413. Maximum Coins From K Consecutive Bags | Medium (TODO) |