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1题目Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word ... 阅读全文
2015年3月2日
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1 题目Given an input string, reverse the string word by word.For example,Given s = "the sky is blue",return "blue is sky the".Update (2015-02-12):For C ... 阅读全文
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1 题目Rotate an array ofnelements to the right byksteps.For example, withn= 7 andk= 3, the array[1,2,3,4,5,6,7]is rotated to[5,6,7,1,2,3,4].Note:Try to ... 阅读全文