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https://leetcode.com/problems/add-binary/Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100". 1 imp... 阅读全文
posted @ 2015-05-06 01:18
打小孩
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https://leetcode.com/problems/length-of-last-word/Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the leng... 阅读全文
posted @ 2015-05-06 00:42
打小孩
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https://leetcode.com/problems/climbing-stairs/You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 ... 阅读全文
posted @ 2015-05-06 00:17
打小孩
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