Created
May 18, 2023 20:37
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| /** | |
| * Definition for singly-linked list. | |
| * function ListNode(val, next) { | |
| * this.val = (val===undefined ? 0 : val) | |
| * this.next = (next===undefined ? null : next) | |
| * } | |
| */ | |
| /** | |
| * @param {ListNode} l1 | |
| * @param {ListNode} l2 | |
| * @return {ListNode} | |
| */ | |
| // | |
| var addTwoNumbers = function(l1, l2) { | |
| let p1 = 0; | |
| let p2 = 0; | |
| var list = new ListNode(); | |
| var firstNode = list; | |
| var carry = 0; | |
| while(true) { | |
| let total; | |
| if(l1 === null) { | |
| total = l2.val; | |
| } else if(l2 === null) { | |
| total = l1.val; | |
| } else { | |
| total = l1.val + l2.val; // 7 | |
| } | |
| list.val = (total % 10) + carry; | |
| console.log("list.val", list.val); | |
| if(total > 9) { | |
| carry = 1; | |
| } else { | |
| carry = 0; | |
| } | |
| list.next = new ListNode(); | |
| if(l1 !== null) { l1 = l1.next }; | |
| if(l2 !== null) { l2 = l2.next }; | |
| if(l1 === null && l2 === null) { break }; | |
| } | |
| return firstNode; | |
| }; |
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