leetcode easy problem set

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1. Two Sum [4ms]
2. Reverse Integer [12ms]

    题意:将一个32bit signed integer反转输出,如果反转之后超出32位补码范围 [-2^31,2^31-1],则输出0

    思路:边取模边算结果,结果存longlong判界

3. Palindrome Number

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转载自www.cnblogs.com/lv-anchoret/p/9973944.html