删除单向链表中最小值

原题目:在单链表L中删除一个最小值节点,算法尽可能高效,且假设最小值节点为唯一。

原答案实在是蠢,特别复杂,看不懂,不想看。

自己写了个递归,时间复杂度o(n),空间复杂度o(1),优雅的解决了这个问题。

class LNode:
    def __init__(self, x):
        self.val = x
        self.next = None


def func(head, minnum):
    minnum = min(head.val, minnum)
    if head.next:
        head.next, minnum = func(head.next, minnum)
    if head.val == minnum:
        head = head.next
    return head, minnum


if __name__ == '__main__':
    l1 = LNode(3)
    l1.next = LNode(1)
    l1.next.next = LNode(2)
    l = func(l1, 3)
    print l[0].val,l[0].next.val

有没有很cool~~~~~~~~~~~:)

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转载自blog.csdn.net/the__apollo/article/details/78770359