Commit5dff205

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Merge pull requestneetcode-gh#178 from HangCcZ/main

Added 138-Copy-List-with-Random-Pointer.js

2 parentsfc1ac34 +ca10b3a commit5dff205Copy full SHA for 5dff205

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Original file line number	Diff line number	Diff line change
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	`1`	`+/**`
	`2`	`+ *@param {Node} head`
	`3`	`+ *@return {Node}`
	`4`	`+ */`
	`5`	`+varcopyRandomList=function(head){`
	`6`	`+letmap=newMap();`
	`7`	`+letptr=head;`
	`8`	`+`
	`9`	`+while(ptr){`
	`10`	`+// map old - new`
	`11`	`+map.set(ptr,newNode(ptr.val,null,null));`
	`12`	`+ptr=ptr.next;`
	`13`	`+}`
	`14`	`+`
	`15`	`+ptr=head;`
	`16`	`+while(ptr){`
	`17`	`+map.get(ptr).next=map.get(ptr.next)\|\|null;`
	`18`	`+map.get(ptr).random=map.get(ptr.random)\|\|null;`
	`19`	`+ptr=ptr.next;`
	`20`	`+}`
	`21`	`+returnmap.get(head);`
	`22`	`+};`

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