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[Non-formatted] [Non-tested] 2. Add Two Numbers #123

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[Non-formatted] [Non-tested] 2. Add Two Numbers #123

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17 changes: 17 additions & 0 deletions solutions/add_two_numbers.ts
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Original file line number Diff line number Diff line change
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import { SinglyLinkedListNode } from '../types/linked_list.ts';
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Codacy has a fix for the issue: Strings must use doublequote.

Suggested change
import { SinglyLinkedListNode } from '../types/linked_list.ts';
import { SinglyLinkedListNode } from "../types/linked_list.ts";


// 2. Add Two Numbers
// https://leetcode.com/problems/add-two-numbers/
export default function addTwoNumbers(nodeA: SinglyLinkedListNode<number>, nodeB: SinglyLinkedListNode<number>) {
if (!nodeA || !nodeB) return nodeA ?? nodeB ?? null;
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Codacy has a fix for the issue: Expected { after 'if' condition.

Suggested change
if (!nodeA || !nodeB) return nodeA ?? nodeB ?? null;
if (!nodeA || !nodeB) {return nodeA ?? nodeB ?? null;}


const sum = nodeA.val + nodeB.val;
const node = { val: sum % 10, next: null };
node.next = addTwoNumbers(nodeA.next, nodeB.next);

if (sum >= 10) {
node.next = addTwoNumbers(node.next, { val: 1, next: null });
}

return node;
}
10 changes: 10 additions & 0 deletions solutions/add_two_numbers_test.ts
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import { test } from "https://deno.land/std/testing/mod.ts";
import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
import { createSinglyLinkedListNode } from '../test_utilities/linked_list.ts';
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Codacy has a fix for the issue: Strings must use doublequote.

Suggested change
import { createSinglyLinkedListNode } from '../test_utilities/linked_list.ts';
import { createSinglyLinkedListNode } from "../test_utilities/linked_list.ts";

import addTwoNumbers from "./add_two_numbers.ts";

test("2. Add Two Numbers", () => {
assertEquals(addTwoNumbers(createSinglyLinkedListNode([2,4,3]), createSinglyLinkedListNode([5,6,4])), createSinglyLinkedListNode([7,0,8]));
assertEquals(addTwoNumbers(createSinglyLinkedListNode([9,9,9]), createSinglyLinkedListNode([1])), createSinglyLinkedListNode([0,0,0,1]));
assertEquals(addTwoNumbers(createSinglyLinkedListNode([1]), createSinglyLinkedListNode([1])), createSinglyLinkedListNode([2]));
});