From a77081ef4e06b2c86313f833d18d96d74edd8335 Mon Sep 17 00:00:00 2001
From: Alix von Schirp <github@avonschirp.bootmedia.de>
Date: Tue, 2 Dec 2025 18:42:45 +0100
Subject: [PATCH] 2025/2

Signed-off-by: Alix von Schirp <github@avonschirp.bootmedia.de>
---
 src/2025/2/1/index.ts | 17 +++++++++++++++++
 src/2025/2/2/index.ts | 25 +++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 src/2025/2/1/index.ts
 create mode 100644 src/2025/2/2/index.ts

diff --git a/src/2025/2/1/index.ts b/src/2025/2/1/index.ts
new file mode 100644
index 0000000..a192896
--- /dev/null
+++ b/src/2025/2/1/index.ts
@@ -0,0 +1,17 @@
+export default async function runner(inputPath: string){
+  const input = (await Bun.file(inputPath).text()).trimEnd();
+
+  let sum = 0;
+
+  input.split(",").forEach(segment => {
+    if(segment.trim() === "") return;
+    const [low, high] = segment.split("-").map(value => parseInt(value));
+    if(low === undefined || high === undefined) return;
+    for(let i = low; i<=high; i++){
+      const stringNum: string = `${i}`;
+      if(stringNum.substring(0, stringNum.length/2) === stringNum.substring(stringNum.length/2)) sum += i;
+    }
+  })
+
+  console.log(sum);
+}
diff --git a/src/2025/2/2/index.ts b/src/2025/2/2/index.ts
new file mode 100644
index 0000000..4745a0d
--- /dev/null
+++ b/src/2025/2/2/index.ts
@@ -0,0 +1,25 @@
+export default async function runner(inputPath: string){
+  const input = (await Bun.file(inputPath).text()).trimEnd();
+
+  let sum = 0;
+
+  input.split(",").forEach(segment => {
+    if(segment.trim() === "") return;
+    const [low, high] = segment.split("-").map(value => parseInt(value));
+    if(low === undefined || high === undefined) return;
+    for(let i = low; i<=high; i++){
+      const stringNum: string = `${i}`;
+
+      sum += helper(stringNum)
+    }
+  })
+
+  console.log(sum);
+}
+
+function helper(stringNum: string){
+  for(let j = 0; j<stringNum.length/2; j++) {
+      if(stringNum.match(/^(\d+)\1+$/gm)) return parseInt(stringNum);
+  }
+  return 0;
+}