day11/index.js

@@ -1,55 +0,0 @@
-import { readFileSync } from "fs";
-
-const input = readFileSync("monkeys.txt", "utf-8");
-
-function resolveOperation(num, oper) {
-    oper = oper.split(" = ")[1];
-    if(oper.includes("+")) {
-        const number = oper.split(" + ")[1];
-        num += number.includes("old") ? num : parseInt(number);
-    } else {
-        const number = oper.split(" * ")[1];
-        num *= number.includes("old") ? num : parseInt(number);
-    }
-    return num;
-}
-
-const monkeys = [];
-
-let monkey = {};
-let productOfDivs = 1;
-
-input.split('\n').forEach(line => {
-    if(line.startsWith("Monkey ")) monkey.number = parseInt(line.split(" ")[1][0]);
-    if(line.startsWith("  Starting items: ")) monkey.items = line.split(": ")[1].split(', ').slice().map(x => parseInt(x));
-    if(line.startsWith("  Operation: ")) monkey.operation = line.split(": ")[1];
-    if(line.startsWith("  Test: ")) {
-        monkey.divisibleBy = parseInt(line.split(" divisible by ")[1]);
-        productOfDivs *= parseInt(line.split(" divisible by ")[1]);
-    }
-    if(line.startsWith("    If true: ")) monkey.ifTrue = parseInt(line.split(" throw to monkey ")[1]);
-    if(line.startsWith("    If false: ")) {
-        monkey.ifFalse = parseInt(line.split(" throw to monkey ")[1]);
-        monkey.itemsInspected = 0;
-        monkeys.push(monkey);
-        monkey = {};
-    }
-});
-
-for(let i = 0; i < 10000; i++) {
-    monkeys.forEach(m => {
-        while(m.items.length > 0) {
-            m.itemsInspected++;
-            let worry = resolveOperation(m.items[0], m.operation);
-            worry = Math.floor(worry % productOfDivs);
-            m.items.splice(0, 1);
-            if(worry % m.divisibleBy === 0) monkeys[m.ifTrue].items.push(worry);
-            else monkeys[m.ifFalse].items.push(worry);
-        }
-    });
-}
-
-const findMaxArray = monkeys.map(m => m.itemsInspected).sort((a, b) => a - b);
-const monkeyBusiness = findMaxArray.pop() * findMaxArray.pop();
-
-console.log(monkeyBusiness)

day11/monkeys.txt

@@ -1,55 +0,0 @@
-Monkey 0:
-  Starting items: 89, 84, 88, 78, 70
-  Operation: new = old * 5
-  Test: divisible by 7
-    If true: throw to monkey 6
-    If false: throw to monkey 7
-
-Monkey 1:
-  Starting items: 76, 62, 61, 54, 69, 60, 85
-  Operation: new = old + 1
-  Test: divisible by 17
-    If true: throw to monkey 0
-    If false: throw to monkey 6
-
-Monkey 2:
-  Starting items: 83, 89, 53
-  Operation: new = old + 8
-  Test: divisible by 11
-    If true: throw to monkey 5
-    If false: throw to monkey 3
-
-Monkey 3:
-  Starting items: 95, 94, 85, 57
-  Operation: new = old + 4
-  Test: divisible by 13
-    If true: throw to monkey 0
-    If false: throw to monkey 1
-
-Monkey 4:
-  Starting items: 82, 98
-  Operation: new = old + 7
-  Test: divisible by 19
-    If true: throw to monkey 5
-    If false: throw to monkey 2
-
-Monkey 5:
-  Starting items: 69
-  Operation: new = old + 2
-  Test: divisible by 2
-    If true: throw to monkey 1
-    If false: throw to monkey 3
-
-Monkey 6:
-  Starting items: 82, 70, 58, 87, 59, 99, 92, 65
-  Operation: new = old * 11
-  Test: divisible by 5
-    If true: throw to monkey 7
-    If false: throw to monkey 4
-
-Monkey 7:
-  Starting items: 91, 53, 96, 98, 68, 82
-  Operation: new = old * old
-  Test: divisible by 3
-    If true: throw to monkey 4
-    If false: throw to monkey 2