Codeforces

• CF1808C Unlucky Numbers 题解 (17 Jul 2023)
  
• CF732E Sockets 题解 (14 Jul 2023)
  
• CF1360H Binary Median 题解 (12 Jul 2023)
  
• CF1120C Compress String 题解 (13 Jun 2023)
  
• CF1223E Paint the Tree 题解 (06 Feb 2023)
  
• CF865B Ordering Pizza 题解 (06 Jan 2023)
  
• CF893D Credit Card 题解 (05 Jan 2023)
  
• CF1141F2 Same Sum Blocks (Hard) 题解 (18 Nov 2022)
  
• CF707E Garlands 题解 (17 Nov 2022)
  
• CF1181C Flag 题解 (17 Nov 2022)
  
• CF1619G Unusual Minesweeper 题解 (11 Nov 2022)
  
• CF1285D Dr. Evil Underscores 题解 (09 Nov 2022)
  
• CF1276B Two Fairs 题解 (09 Nov 2022)
  
• CF1329A Dreamoon Likes Coloring 题解 (11 Oct 2022)
  
• CF222C Reducing Fractions 题解 (06 Sep 2022)
  
• CF1510G Guide 题解 (14 Jul 2022)
  
• CF1030E Vasya and Good Sequences 题解 (14 Jul 2022)
  
• CF1451E2 Bitwise Queries (Hard Version) 题解 (16 May 2022)
  
• CF1353E K-periodic Garland 题解 (28 Mar 2022)
  
• CF1384A Common Prefixes 题解 (31 Oct 2020)