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Problem 1001
求样例解释
wzj52501
| 2016-12-17 19:43:52
Author
每次只能向上下左右四个方向走吗?
wzj52501
| 2016-12-17 19:44:25
# 1
是1004
admin
| 2016-12-17 19:46:21
# 2
是的
wzj52501
| 2016-12-17 19:46:57
# 3
求4种方案
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