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[抄题]: Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a cana 阅读全文
posted @ 2018-03-19 22:19
苗妙苗
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[抄题]: Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example 2:Gi 阅读全文
posted @ 2018-03-19 20:15
苗妙苗
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[抄题]: Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if th 阅读全文
posted @ 2018-03-19 11:49
苗妙苗
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[抄题]: Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word or 阅读全文
posted @ 2018-03-19 09:16
苗妙苗
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[抄题]: Initially, there is a Robot at position (0, 0). Given a sequence of its moves, judge if this robot makes a circle, which means it moves back to 阅读全文
posted @ 2018-03-19 08:38
苗妙苗
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