#3190. 回文魔镜（pn2）
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ID: 3190
Type: Default
1000ms
256MiB
Tried: 7
Accepted: 3
Difficulty: 10
Uploaded By:
paifuture
回文魔镜（pn2）
Background
Description
Format
Input
Output
Samples
Limitation
1s, 1024KiB for each test case.