2021

• 2021-06-11Codeforces 1525D - Armchairs
• 2021-06-09Codeforces 1535C - Unstable String
• 2021-06-09Codeforces 1536C - Diluc and Kaeya
• 2021-06-03Codeforces 1487C - Minimum Ties
• 2021-06-01Codeforces 1499C - Minimum Grid Path
• 2021-06-01Codeforces 六一の复健题单
• 2021-05-28Codeforces 1509D - Binary Literature
• 2021-05-28Codeforces 1520E - Arranging The Sheep
• 2021-05-27Codeforces 1528B - Kavi on Pairing Duty
• 2021-05-10Codeforces 1498D - Bananas in a Microwave