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ID Problem Show tags Hide tags AC / Tried Difficulty
2775 ABC175C   [ABC175C] 行走的小高(Walking Takahashi) 0 / 0 NOI/NOI+
2776 ABC183C   [ABC183C] 旅行(Travel) 0 / 0 NOI/NOI+
2763 ABC204C   [ABC204C] 旅行(Tour) 0 / 0 NOI/NOI+
2777 ABC209D   [ABC209D] 碰撞(Collision) 0 / 0 NOI/NOI+
2772 ABC213D   [ABC213D] 小高的旅行(Takahashi Tour) 0 / 0 NOI/NOI+
2764 ABC225B   [ABC225B] 星形树判定(Star or Not) 0 / 0 NOI/NOI+
2765 ABC226C   [ABC226C] 武术家(Martial artist) 0 / 0 NOI/NOI+
2767 ABC232C   [ABC232C] 图同构(Graph Isomorphism) 0 / 0 NOI/NOI+
2761 ABC243D   [ABC243D] 二叉树上的移动(Moves on Binary Tree) 0 / 0 NOI/NOI+
2766 ABC262B   [ABC262B] 三角形(Triangle (Easier)) 0 / 0 NOI/NOI+
2768 ABC270C   [ABC270C] 简单路径(Simple path) 0 / 0 NOI/NOI+
2771 ABC272B   [ABC272B] 每个人都是朋友(Everyone is Friends) 0 / 0 NOI/NOI+
2760 ABC274C   [ABC274C] 变形虫 1 / 2 NOI/NOI+
2769 ABC317C   [ABC317C] 回忆那些日子(Remembering the Days) 0 / 0 NOI/NOI+
2762 ABC333D   [ABC333D] 擦除叶子(Erase Leaves) 0 / 0 NOI/NOI+
2770 ABC343B   [ABC343B] 邻接矩阵(Adjacency Matrix) 0 / 0 NOI/NOI+
2778 ABC350D   [ABC350D] 新朋友(New Friends) 0 / 0 NOI/NOI+
2773 NOIP1025   [NOIP 2018 普及组] 对称二叉树 0 / 0 NOI/NOI+
2774 NOIP1026   [NOIP 2004 普及组] FBI 树 0 / 0 NOI/NOI+
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