未补专题
Codeforces Round 916 (Div. 3)（G未补）
目录 A. Problemsolving Log B. Preparing for the Contest C. Quests D. Three Activities E1.E2. Game with Marbles F. Programming Competition A. Problemsolving Log 题意：A任务需要一分钟完成，B任务需要两分钟完成，……以此类推，
Codeforces round 900 (Div.3)（G未补）
目录 A. How Much Does Daytona Cost? B. Aleksa and Stack C. Vasilije in Cacak D. Reverse Madness E. Iva & Pav 1，线段树+二分 2，前缀按位与+二分 3，ST表+二分 F. Vasilije Loves Number Theory G. wxhtzdy ORO Tree