UESTC 2017 Summer Training #1 Div.2

正式參加的第一場div2大亂鬥，也少有的再次感受到自己那種主場作戰的自信。實力還不夠強，也希望這不是自己最高的rank。 A - Giant Snail Maze 題目鏈接：https://vjudge.net/contest/169377#problem/A Description It is the year of 2016 and Mars is still not colonized. A

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