luogu3959 宝藏 题解

luogu3092 No Change 题解

UVa1099 Sharing Chocolate 题解

luogu5858 Golden Sword 题解

CF372C Watching Fireworks is Fun 题解

luogu3953 逛公园 题解

CF1083E The Fair Nut and Rectangles 题解

CF1061C Multiplicity 题解