摘要:
Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at 阅读全文
posted @ 2016-09-02 00:15
罗伯特小咩
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摘要:
Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example:Given a = 1 and b = 2, return 3. 个人思路:绕开+、-,利用 阅读全文
posted @ 2016-09-02 00:08
罗伯特小咩
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