My 2023 South East Regional Division I Solutions

• Problem A: ABC String
• Problem B: Balanced Tree Path
• Problem C: Cramming for Finals
• Problem D: Ordered Problem Set
• Problem E: Eccentric Excursion
• Problem F: Matrix Fraud
• Problem G: On-Call Team
• Problem H: Range Editing
• Problem I: Item Selection
• Problem J: Sequence Guessing
• Problem K: Streets Behind
• Problem L: Segment Drawing
• Problem M: Champernowne Verification