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题目有问题吧？既然输入的是自然数，那么002就是2啊，它的逆序应该就是2。所以in：001 21 out：31而不是out：211既然输入的都是positive integer，那么in：001 21和in：1 21是不是应该等价呀，可是本题认为它们不等价。 Followed by: Post your reply here: |
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