🐛 fixed tests and challenge 14

Author: jamerrq

src/challenges/14.ts

@@ -1,9 +1,7 @@
 export function maxGifts (houses: number[]): number {
   const dp = houses.slice(0, 2)
   for (const house of houses.slice(2)) {
-    const last = dp[dp.length - 1]
-    const secondLast = dp[dp.length - 2] + house
-    dp.push([last, secondLast][+(last < secondLast)])
+    dp.push(Math.max(...dp.slice(0, -1)) + house)
   }
-  return dp[dp.length - 1]
+  return Math.max(...dp)
 }

src/tests/14.spec.ts

@@ -33,4 +33,15 @@ describe('Challenge #14', () => {
   test('Test #08', () => {
     expect(maxGifts([99])).toEqual(99)
   })
+
+  // These tests below are not in the original challenge, its from the channel
+  // discussion on Discord.
+  test('Test #09', () => {
+    expect(maxGifts([5, 1, 1, 5])).toEqual(10)
+  })
+
+  // https://discord.com/channels/741237973663612969/915910832259477534
+  test('Test #10', () => {
+    expect(maxGifts([4, 1, 1, 4, 2, 1])).toEqual(9)
+  })
 })