18 lines
334 B
JavaScript
18 lines
334 B
JavaScript
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export default class ListNode {
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constructor (val) {
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this.val = val
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this.next = null
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}
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}
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export const arrToList = (arr) => {
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const head = new ListNode(arr[0])
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let current = head
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for (let n = 1, len = arr.length; n < len; n++) {
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current.next = new ListNode(arr[n])
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current = current.next
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}
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return head
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}
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