Poison
- 3127. Make a Square with the Same Color
- 12. Integer to Roman
- 2734. Lexicographically Smallest String After Substring Operation
- 3033. Modify the Matrix
- 3099. Harshad Number
- 3115. Maximum Prime Difference
- 2710. Remove Trailing Zeros From a String
- 581. Shortest Unsorted Continuous Subarray
- 950. Reveal Cards In Increasing Order
- 1486. XOR Operation in an Array