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  • VK Cup 2016 - Round 1 (Div. 2 Edition) D. Bear and Polynomials
  • Codeforces Round #348 (VK Cup 2016 Round 2, Div. 1 Edition)
  • Codeforces Round #348 (VK Cup 2016 Round 2, Div. 2 Edition) A B C D 模拟
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) easy(上)
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) A B C D 构造
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) ABCD
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition)
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) D. Bear and Two Paths
  • VK Cup 2016 - Round 1 (Div. 2 Edition) C. Bear and Forgotten Tree 3
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition)
  • Codeforces Round #348 (VK Cup 2016 Round 2) E F (2-sat. 待补)
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 1 Edition)
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) B.Problems for Round
  • VK Cup 2016 - Qualification Round 1 - D. Running with Obsta(模拟)
  • 【VK Cup 2016 - Round 1 (Div 2 Edition)C Bear and Forgotten Tree 3 (构造)
  • 【VK Cup 2016 - Round 1 (Div 2 Edition)D Bear and Polynomials
  • Codeforces Round #348 (VK Cup 2016 Round 2, Div. 2 Edition) D. Little Artem and Dance
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) B. Problems for Round
  • Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) D. Bear and Two Paths
  • 【解题报告】Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition)
  • VK Cup 2015 - Finals, online mirror D. Restructuring Company 并查集 set 二分
  • Codeforces Round #348 (VK Cup 2016 Round 2, Div. 2 Edition) D
  • Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)
  • Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1) 菜鸡只会ABC!
  • Codeforces Round #405 (rated, Div. 1, based on VK Cup 2017 Round 1) 题解(待续)
  • Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)
  • 【解题报告】Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)
  • Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) A -- D
  • Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) A. Vicious Keyboard
  • Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) B. Valued Keys
  • Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) C. Voltage Keepsake
  • Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) D. Volatile Kite