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merge-two-sorted-lists-with-javascript

Sougata Mukherjee answered on July 20, 2022 Popularity 8/10 Helpfulness 8/10

answer merge-two-sorted-lists-with-javascript

merge-two-sorted-lists-with-javascript

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function ListNode(val) {
      this.val = val;
       this.next = null;
}

var mergeTwoLists = function(l1, l2) {
    let dummyHead = new ListNode(0);
    let currentNode = dummyHead; 

    while(l1 !== null && l2 !== null){

        if(l1.val < l2.val){
            currentNode.next = l1;
            l1 = l1.next
        } else {
            currentNode.next = l2
            l2 = l2.next
        }

        currentNode = currentNode.next
    }

    if(l1 !== null) {
        currentNode.next = l1;
    } else if (l2 !== null) {
        currentNode.next = l2
    }

    return dummyHead.next
}

Popularity 8/10 Helpfulness 8/10 Language javascript

Source: dev.to

Tags: javascript

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Contributed on Jul 20 2022

Sougata Mukherjee

0 Answers Avg Quality 2/10

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