琦禹奇遇

摘要： 146. LRU缓存机制 class ListNode: def __init__(self, key=None, value=None): self.key = key self.value = value self.prev = None self.next = None class LRUCa 阅读全文

摘要： 1 def partition(nums, left, right): 2 if left >= right: 3 return 4 mid = left + (right - left)//2 5 pivot = nums[mid] 6 nums[mid], nums[left] = nums[l 阅读全文