[HackerEarth] Ashi is interested in checking the algorithmic skills of her boyfriend. So, she sets up a special 2-D graph for him. The 2-D graph looks like a maze with N rows each containing N nodes. - 题解

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题目信息
题号 P19558
标题 [HackerEarth] Ashi is interested in checking the algorithmic skills of her boyfriend. So, she sets up a special 2-D graph for him. The 2-D graph looks like a maze with N rows each containing N nodes.
难度 普及
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