#298. 有趣的自然数
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ID: 298
Type: Default
1000ms
128MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
paxlumen
Tags> 有趣的自然数
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说明
编程求一个四位自然数ABCD,它乘以A后变成DCBA
输入格式
无输入
输出格式
ABCD
样例