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Problem 1001
这里给出的解释和原题根本不是一回事好么
Hugh_627
| 2015-08-15 19:18:58
Author
RT
admin
| 2015-08-15 20:02:25
# 1
反过来了...而已...
admin
| 2015-08-15 20:02:35
# 2
长度是相等的
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