【leetcode】900. RLE Iterator

题目以下:spa

解题思路:很是简单的题目,直接递归就好了。code

代码以下:blog

class RLEIterator(object): def __init__(self, A): """ :type A: List[int] """ self.l = A[::] def next(self, n): """ :type n: int :rtype: int """
        while n > 0 and len(self.l) > 0: if self.l[0] >= n: self.l[0] -= n return self.l[1] else: n -= self.l[0] del self.l[0] del self.l[0] return self.next(n) return -1
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