Educational Codeforces Round 189 (Rated for Div. 2)

• A. Number Between Two Others
  • Hints: Number Between Two Others
  • Code: Number Between Two Others
• B. Alternating String
  • Hints: Alternating String
  • Code: Alternating String
• C. Red-Black Pairs
  • Hints: Red-Black Pairs
  • Code: Red-Black Pairs
• D. Exceptional Segments
  • Hints: Exceptional Segments
  • Editorial: Exceptional Segments
  • Code: Exceptional Segments
• E. Covering Points with Circles
  • Hints: Covering Points with Circles
  • Code: Covering Points with Circles
• F. String Cutting
  • Hints: String Cutting
  • Editorial: String Cutting
  • Code: String Cutting
• G. Simple Problem
  • Hints: Simple Problem
  • Code: Simple Problem