.vscode/settings.json

@@ -1,8 +1,5 @@
 {
     "deno.enable": true,
     "deno.lint": true,
-    "deno.unstable": false,
+    "deno.unstable": false
-    "deno.enablePaths": [
-        "./day3"
-    ]
 }

README.md

@@ -32,8 +32,3 @@ I'll probably try to vary languages a bit to get some variety.
 
 ### [Day 6](day6/)
 **Language**: Haskell
-
-### [Day 7](day7/)
-**Language**: JavaScript (Node)
-
-**Note**: Yes, I used JSDoc for type-hints. But I think only insane people use JavaScript without JSDoc.

day7/eg.txt

@@ -1,5 +0,0 @@
-32T3K 765
-T55J5 684
-KK677 28
-KTJJT 220
-QQQJA 483

day7/solution.js

@@ -1,85 +0,0 @@
-const fs = require("fs/promises");
-
-const order = ["A", "K", "Q", "J", "T", "9", "8", "7", "6", "5", "4", "3", "2"];
-const newOrder = ["A", "K", "Q", "T", "9", "8", "7", "6", "5", "4", "3", "2", "J"];
-
-/**
- * @param {string[]} hand
- * @param {boolean} useJoker
- */
-function handType(hand, useJoker = false) {
-    function eq(v) {
-        return c => c === v || useJoker && c === "J";
-    }
-    const s = new Set(useJoker ? hand.filter(c => c !== "J") : hand);
-    if (s.size === 1 || s.size === 0) { // 0 if JJJJJ and useJoker == true
-        return 0;
-    } else if (s.size === 2) {
-        let m = -1;
-        for (const v of s.values()) {
-            const count = hand.filter(eq(v)).length;
-            if (count > m) m = count;
-        }
-        if (m === 4) {
-            return 1;
-        }
-        return 2;
-    } else if (s.size === 3) {
-        let m = -1;
-        for (const v of s.values()) {
-            const count = hand.filter(eq(v)).length;
-            if (count > m) m = count;
-        }
-        if (m === 3) {
-            return 3;
-        }
-        return 4;
-    } else if (s.size === 4) {
-        return 5;
-    }
-    return 6;
-}
-
-/**
- * @param {string[]} h1
- * @param {string[]} h2
- * @param {boolean} useJoker
- */
-function cmpHands(h1, h2, useJoker = false) {
-    const [t1, t2] = [handType(h1, useJoker), handType(h2, useJoker)];
-    if (t1 !== t2) return t1 - t2;
-    for (let idx = 0; idx < h1.length; idx++) {
-        const [v1, v2] = [h1[idx], h2[idx]];
-        if (v1 !== v2) {
-            return useJoker ? newOrder.indexOf(v1) - newOrder.indexOf(v2)
-                : order.indexOf(v1) - order.indexOf(v2);
-        }
-    }
-    return 0;
-}
-
-/**
- * @param {{hand: string[], bid: number}[]} hands
- */
-function totalWinnings(hands) {
-    return hands.map((h, idx) => h.bid * (idx + 1))
-        .reduce((p, c) => p + c)
-}
-
-async function main() {
-    const lines = await fs.readFile("input.txt", {encoding: "utf8"})
-        .then(s => s.split("\n"));
-    const hands = lines.map(l => {
-        const [h, b] = l.split(" ");
-        return {
-            hand: h.split(""),
-            bid: Number(b)
-        };
-    });
-    hands.sort((h1, h2) => cmpHands(h2.hand, h1.hand));
-    console.log("Part 1:", totalWinnings(hands));
-    hands.sort((h1, h2) => cmpHands(h2.hand, h1.hand, true));
-    console.log("Part 2:", totalWinnings(hands));
-}
-
-main();