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목록Copy List with Random Pointer (1)
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LeetCode: 138. Copy List with Random Pointer
O(N) Time, O(N) Memory """ # Definition for a Node. class Node: def __init__(self, x: int, next: 'Node' = None, random: 'Node' = None): self.val = int(x) self.next = next self.random = random """ class Solution: def copyRandomList(self, head: 'Node') -> 'Node': if not head: return cur, dic = head, {} while cur: dic[cur] = Node(x=cur.val) cur = cur.next cur = head while cur: if cur.next: dic[cur]..
Computer Science/Coding Test
2021. 11. 16. 21:44