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Woodland Trail 林间小路

Woodland Trail曾出现于第23届WPC Round 2 第1题。

规则

Woodland Trail,23rd WPC Instrucion Booklet © 2014, UK Puzzle Association
Woodland Trail,23rd WPC Instrucion Booklet © 2014, UK Puzzle Association
规则
从表格左上角的旗帜开始, 画一条环状的路径回到原点。这条路径必须经过表格中除了树以外的每个格子。而路径本身只能直向或横向连接, 且不能碰到或跨越自己。
Rule
Draw a trail which starts and ends at the flag in the top left corner of the grid and visits every cell except for those ccupied by a tree. The trail moves orthogonally between the centre of cells and does not touch or cross itself.
Woodland Trail答案,23rd WPC Instrucion Booklet © 2014, UK Puzzle Association
Woodland Trail答案,23rd WPC Instrucion Booklet © 2014, UK Puzzle Association

解题技巧

  • 由于除了树以外的每格都要经过, 又是一个迴圈, 所以代表每一个空格都要和邻格一进一出。
  • 先找到只有两个邻格可走的空格(如角或是边上被树挡住, 又或是两棵树之间)就可以直接画路径。
  • 最后只要小心要连成整个图的大环就好。

参考资料