solution: 2025/5

Signed-off-by: Alix von Schirp <github@avonschirp.bootmedia.de>

src/2025/5/1/index.ts

@@ -0,0 +1,28 @@
+export default async function runner(inputPath: string) {
+  const input = (await Bun.file(inputPath).text()).trimEnd();
+  
+  let fresh = 0;
+  
+  const inrange: { min: number, max: number }[] = [];
+  
+  const [ranges, stored] = input.split("\n\n").map(value => value.trim());
+  
+  ranges!.split("\n").map(value => value.trim()).filter(value => value !== "").forEach(value => {
+    const [min, max] = value.split("-").map(value => parseInt(value));
+    
+    if (!min || !max) return;
+    
+    inrange.push({min, max})
+    
+  })
+  
+  stored!.split("\n").map(value => value.trim()).filter(value => value !== "").map(value => parseInt(value)).forEach(value => {
+    if (inrange.some(({min, max}) => {
+      return (min <= value && value <= max);
+    })) {
+      fresh++;
+    }
+  })
+  
+  console.log(fresh);
+}

src/2025/5/2/index.ts

@@ -0,0 +1,44 @@
+export default async function runner(inputPath: string) {
+  const input = (await Bun.file(inputPath).text()).trimEnd();
+  
+  let fresh = 0;
+  
+  const inrange: { min: number, max: number }[] = [];
+  
+  const [ranges, _stored] = input.split("\n\n").map(value => value.trim());
+  
+  ranges!.split("\n").map(value => value.trim()).filter(value => value !== "").forEach(value => {
+    const [min, max] = value.split("-").map(value => parseInt(value));
+    
+    if (!min || !max) return;
+    
+    inrange.push({min, max})
+    
+  })
+  
+  inrange.sort((a, b) => {
+    if(a.min !== b.min) return a.min-b.min;
+    return a.max-b.max;
+  })
+  
+  
+  const mergedRanges: {min: number, max: number}[] = [];
+  
+  inrange.forEach(value => {
+    if(mergedRanges.length === 0) {
+      mergedRanges.push(value);
+      return;
+    }
+    if(mergedRanges[mergedRanges.length-1]!.max >= value.min) {
+      if(mergedRanges[mergedRanges.length-1]!.max < value.max) mergedRanges[mergedRanges.length-1]!.max = value.max
+    } else {
+      mergedRanges.push(value)
+    }
+  })
+  
+  mergedRanges.forEach(({min, max}) => {
+    fresh += max-min+1;
+  })
+  
+  console.log(fresh);
+}