My 2021 South East Regional Division I Solutions

• Problems
• Problem A: Black and White
• Problem B: Circle Bounce
• Problem C: Diagonals
• Problem D: Dorm Room Divide
• Problem E: Fail Them All!
• Problem F: Hopscotch 500
• Problem G: Shortest Missing Subsequences
• Problem H: Tetris Generation
• Problem I: Tournament Seeding
• Problem J: Tree Hopping
  • treehopping.java
  • treehopping_alt.java
• Problem K: Xor Island