Problem0008

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8. String to Integer (atoi)

题目

Implement atoi to convert a string to an integer.

Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input cases.

解题思路

转换并不难，难得的是，处理各种奇葩的输入。详见程序注释。

总结

良好的单元测试真的很重要。