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each of the elements of the string is changed to its reverse (if it has a reverse)

Posted by sza at 2006-03-05 00:51:48 on Problem 1590
each of the elements of the string is changed to its reverse (if it has a reverse),有歧异。正确理解是如果串中没有reverse则不为mirrored string。但题中的意思给人的感觉是如果存在reverse的情况下则替换,不存在是就不管,而非不存在就直接判断不为mirrored string,害得我WA了好多次。

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