var copyRandomList = function(head) { const map = new Map([[null, null]]); let node = head; // set node to the map while (node) { map.set(node, new Node(node.val, null, null)); node = node.next; } node = head; // get node and set to new node while (node) { const newNode = map.get(node) newNode.next = map.get(node.next) newNode.random = map.get(node.random) node = node.next } return map.get(head) };
- "Карта"