Educational Codeforces Round 190 (Rated for Div. 2)

• A. Optimal Purchase
  • Hints: Optimal Purchase
  • Code: Optimal Purchase
• B. Digit String
  • Hints: Digit String
  • Code: Digit String
• C. Arrange the Numbers in a Circle
  • Hints: Arrange the Numbers in a Circle
  • Code: Arrange the Numbers in a Circle
• D. Good Schedule
  • Hints: Good Schedule
  • Code: Good Schedule
• E. Minimum Influence
  • Hints: Minimum Influence
  • Code: Minimum Influence
• F. Game on Growing Tree
  • Hints: Game on Growing Tree
  • Code: Game on Growing Tree