Commit075a57f

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update: 24

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`@@ -24,6 +24,7 @@ This is the solutions collection of my LeetCode submissions, most of them are pr`
`24`	`24`	`\| 17\|[Letter Combinations of a Phone Number](https://leetcode.com/problems/letter-combinations-of-a-phone-number/)\|[JavaScript](./src/letter-combinations-of-a-phone-number/res.js)\| Medium\|`
`25`	`25`	`\| 19\|[Remove Nth Node From End of List](https://leetcode.com/problems/remove-nth-node-from-end-of-list/)\|[JavaScript](./src/remove-nth-node-from-end-of-list/res.js)\| Medium\|`
`26`	`26`	`\| 22\|[Generate Parentheses](https://leetcode.com/problems/generate-parentheses/)\|[JavaScript](./src/generate-parentheses/res.js)\| Medium\|`
	`27`	`+\| 24\|[swap-nodes-in-pairs](https://leetcode.com/problems/swap-nodes-in-pairs/)\|[TypeScript](./src/swap-nodes-in-pairs/res.ts)\| Medium\|`
`27`	`28`	`\| 26\|[Remove Duplicates from Sorted Array](https://leetcode.com/problems/remove-duplicates-from-sorted-array/)\|[JavaScript](./src/remove-duplicates-from-sorted-array/res.js)\| Easy\|`
`28`	`29`	`\| 27\|[Remove Element](https://leetcode.com/problems/remove-element/)\|[JavaScript](./src/remove-element/res.js)\| Easy\|`
`29`	`30`	`\| 28\|[Implement strStr()](https://leetcode.com/problems/implement-strstr/)\|[JavaScript](./src/implement-strstr/res.js)\| Easy\|`

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	`1`	`+/**`
	`2`	`+ * Definition for singly-linked list.`
	`3`	`+ */`
	`4`	`+//@ts-ignore`
	`5`	`+classListNode{`
	`6`	`+val:number`
	`7`	`+next:ListNode\|null`
	`8`	`+constructor(val?:number,next?:ListNode\|null){`
	`9`	`+this.val=(val===undefined ?0 :val)`
	`10`	`+this.next=(next===undefined ?null :next)`
	`11`	`+}`
	`12`	`+}`
	`13`	`+`
	`14`	`+functionswapPairs(head:ListNode\|null):ListNode\|null{`
	`15`	`+if(!head?.next){`
	`16`	`+returnhead;`
	`17`	`+}`
	`18`	`+`
	`19`	`+constresult=head.next;`
	`20`	`+letprevPoint=null;`
	`21`	`+letcurrentPoint:ListNode\|null=head;`
	`22`	`+while(currentPoint){`
	`23`	`+constnextPoint=currentPoint.next;`
	`24`	`+constrestPoint=nextPoint?.nextasListNode\|null;`
	`25`	`+`
	`26`	`+if(nextPoint){`
	`27`	`+currentPoint.next=restPoint;`
	`28`	`+nextPoint.next=currentPoint;`
	`29`	`+if(prevPoint){`
	`30`	`+prevPoint.next=nextPoint;`
	`31`	`+}`
	`32`	`+prevPoint=currentPoint;`
	`33`	`+currentPoint=restPoint;`
	`34`	`+}else{`
	`35`	`+break;`
	`36`	`+}`
	`37`	`+}`
	`38`	`+`
	`39`	`+returnresult;`
	`40`	`+};`

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