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题目Given an Iterator class interface with methods: next() and hasNext(), design and implement a PeekingIterator that support the peek() operat...
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posted @ 2015-11-26 14:02
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题目Given an array nums, write a function to move all 0’s to the end of it while maintaining the relative order of the non-zero elements.For ex...
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posted @ 2015-11-26 13:50
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