From a9049a4d2c8125816f221d6679b01a6c53f86bd0 Mon Sep 17 00:00:00 2001
From: MeerrettichMeister <froesenico@gmail.com>
Date: Tue, 3 Dec 2024 18:43:19 +0100
Subject: [PATCH] Init until day 3

---
 .gitignore        |   11 +
 .idea/.gitignore  |    5 +
 package-lock.json |   44 ++
 package.json      |   16 +
 src/1/index.ts    |   25 ++
 src/1/input.txt   | 1000 +++++++++++++++++++++++++++++++++++++++++++++
 src/2/index.ts    |   66 +++
 src/2/input.txt   | 1000 +++++++++++++++++++++++++++++++++++++++++++++
 src/3/index.ts    |   27 ++
 src/3/input.txt   |    6 +
 src/template.ts   |    2 +
 tsconfig.json     |   12 +
 12 files changed, 2214 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .idea/.gitignore
 create mode 100644 package-lock.json
 create mode 100644 package.json
 create mode 100644 src/1/index.ts
 create mode 100644 src/1/input.txt
 create mode 100644 src/2/index.ts
 create mode 100644 src/2/input.txt
 create mode 100644 src/3/index.ts
 create mode 100644 src/3/input.txt
 create mode 100644 src/template.ts
 create mode 100644 tsconfig.json

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..32b877b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+/tmp
+/out-tsc
+
+/node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+/.pnp
+.pnp.js
+
+.vscode/*
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..b58b603
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..904715d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,44 @@
+{
+  "name": "aoc24",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "aoc24",
+      "version": "1.0.0",
+      "dependencies": {
+        "@types/node": "^22.10.1"
+      },
+      "devDependencies": {
+        "typescript": "^5.5.3"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "22.10.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.10.1.tgz",
+      "integrity": "sha512-qKgsUwfHZV2WCWLAnVP1JqnpE6Im6h3Y0+fYgMTasNQ7V++CBX5OT1as0g0f+OyubbFqhf6XVNIsmN4IIhEgGQ==",
+      "dependencies": {
+        "undici-types": "~6.20.0"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.2.tgz",
+      "integrity": "sha512-i5t66RHxDvVN40HfDd1PsEThGNnlMCMT3jMUuoh9/0TaqWevNontacunWyN02LA9/fIbEWlcHZcgTKb9QoaLfg==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
+    "node_modules/undici-types": {
+      "version": "6.20.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.20.0.tgz",
+      "integrity": "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg=="
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..9632735
--- /dev/null
+++ b/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "aoc24",
+  "version": "1.0.0",
+  "description": "",
+  "main": "dist/index.js",
+  "scripts": {
+    "build": "tsc"
+  },
+  "dependencies": {
+    "@types/node": "^22.10.1"
+  },
+  "devDependencies": {
+    "typescript": "^5.5.3"
+  },
+  "private": true
+}
diff --git a/src/1/index.ts b/src/1/index.ts
new file mode 100644
index 0000000..2b241a3
--- /dev/null
+++ b/src/1/index.ts
@@ -0,0 +1,25 @@
+import fs from "fs"
+const content = fs.readFileSync('input.txt', 'utf-8');
+let l:number[] = []
+let r: number[] = []
+content.split('\r\n').forEach(pair => {
+    const x = Number(pair.split("   ")[0].trim());
+    const y = Number(pair.split("   ")[1].trim());
+    l.push(x);
+    r.push(y);
+})
+l = l.sort();
+r = r.sort();
+//a
+let distance = 0;
+for (let i = 0; i < l.length; i++) {
+    distance += Math.abs(l[i] - r[i]);
+}
+
+//b
+let similarity = 0;
+for (let i = 0; i < l.length; i++) {
+    similarity += l[i] * r.filter(r => r === l[i]).length
+}
+console.log(distance)
+console.log(similarity)
\ No newline at end of file
diff --git a/src/1/input.txt b/src/1/input.txt
new file mode 100644
index 0000000..280bf97
--- /dev/null
+++ b/src/1/input.txt
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/src/2/index.ts b/src/2/index.ts
new file mode 100644
index 0000000..6a90bdb
--- /dev/null
+++ b/src/2/index.ts
@@ -0,0 +1,66 @@
+import fs from "fs"
+const content = fs.readFileSync('input.txt', 'utf-8');
+const reports: string[] = content.split("\r\n");
+let safeAmount = 0;
+reports.forEach(report => {
+    const levels = report.split(" ").map(number => Number.parseInt(number))
+    let safe = true;
+    for (let i = 1; i < levels.length; i++) {
+        const dist = levels[i] - levels[i - 1];
+        if (dist > 3 || dist === 0 || dist < -3) {
+            safe = false;
+            break;
+        }
+    }
+    for (let i = 1; i < levels.length - 1; i++) {
+        if (levels[i - 1] < levels[i] && levels[i] > levels[i+1]){
+            safe = false;
+            break
+        }
+        if (levels[i - 1] > levels[i] && levels[i] < levels[i+1]){
+            safe = false;
+            break
+        }
+    }
+    safe ? safeAmount += 1 : safeAmount +=0
+})
+console.log(safeAmount)
+let dampendSafeAmount = 0;
+reports.forEach(report => {
+    const levels = report.split(" ").map(number => Number.parseInt(number))
+    if (checkSafety(levels)) {
+        dampendSafeAmount += 1;
+    }else {
+        for (let i = 0; i < levels.length; i++) {
+            const spliced = levels.filter((value, index) => index !== i);
+            if (checkSafety(spliced)){
+                dampendSafeAmount += 1;
+                break
+            }
+        }
+    }
+})
+console.log(dampendSafeAmount);
+
+function checkSafety(levels:number[]): boolean {
+    let safe = true;
+    for (let i = 1; i < levels.length; i++) {
+        const dist = levels[i] - levels[i - 1];
+        if (dist > 3 || dist === 0 || dist < -3) {
+            safe = false;
+            break;
+        }
+    }
+    for (let i = 1; i < levels.length - 1; i++) {
+        if (levels[i - 1] < levels[i] && levels[i] > levels[i + 1]) {
+            safe = false;
+            break
+        }
+        if (levels[i - 1] > levels[i] && levels[i] < levels[i + 1]) {
+            safe = false;
+            break
+        }
+    }
+    return safe;
+}
+
diff --git a/src/2/input.txt b/src/2/input.txt
new file mode 100644
index 0000000..7d38374
--- /dev/null
+++ b/src/2/input.txt
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/src/3/index.ts b/src/3/index.ts
new file mode 100644
index 0000000..ab8cb84
--- /dev/null
+++ b/src/3/index.ts
@@ -0,0 +1,27 @@
+import fs from "fs"
+
+const content = fs.readFileSync('input.txt', 'utf-8');
+const multiplies = content.match(/mul[\(]\d+,\d+[\)]/gm)
+let sum = 0;
+multiplies?.forEach(mult => {
+    const numbers = mult.match(/\d+/gm);
+    if (numbers) {
+        const x = Number(numbers.at(0));
+        const y = Number(numbers.at(1));
+        sum += (x*y);
+    }
+})
+console.log(sum)
+
+const filtered = content.replace(/don't[(][)].*?do[(][)]/gsm,"")
+const filteredMultiplies = filtered.match(/mul[\(]\d+,\d+[\)]/gm)
+let filteredSum = 0;
+filteredMultiplies?.forEach(mult => {
+    const numbers = mult.match(/\d+/gm);
+    if (numbers) {
+        const x = Number(numbers.at(0));
+        const y = Number(numbers.at(1));
+        filteredSum += (x*y);
+    }
+})
+console.log(filteredSum)
diff --git a/src/3/input.txt b/src/3/input.txt
new file mode 100644
index 0000000..c97cbdb
--- /dev/null
+++ b/src/3/input.txt
@@ -0,0 +1,6 @@
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diff --git a/src/template.ts b/src/template.ts
new file mode 100644
index 0000000..073e80e
--- /dev/null
+++ b/src/template.ts
@@ -0,0 +1,2 @@
+import fs from "fs"
+const content = fs.readFileSync('input.txt', 'utf-8');
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..3a172fd
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "outDir": "dist"
+  },
+  "include": ["src"]
+}