Reverse Integer (python)
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Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Here are some good questions to ask before coding. Bonus points for you if you have already thought through this!
If the integer's last digit is 0, what should the output be? ie, cases such as 10, 100.
Did you notice that the reversed integer might overflow? Assume the input is a 32-bit integer, then the reverse of 1000000003 overflows. How should you handle such cases?
For the purpose of this problem, assume that your function returns 0 when the reversed integer overflows.
题目大意就是要翻转一个整数,但是提示了两点需要考虑的问题,一个是末尾是0的,还有一个是翻转后会越界,用c++编可能处理起来麻烦一些,然而用Python就非常简单,直接将其转成str类型来处理,并调用内置函数reverse,而且转为int时它会自动处理首位带的零,非常简单。
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