day04/index.js

@@ -1,44 +0,0 @@
-import { readFileSync } from "fs";
-
-const input = readFileSync("pairs.txt", "utf-8");
-const assignments = [];
-
-let pairs, countPairs = 0, countOverlap = 0;
-
-input.split('\n').forEach(pair => {
-    for(let i = 0; i < 2; i++) {
-        assignments[i] = [];
-        for(let j = 0; j < 99; j++) {
-            assignments[i][j] = ".";
-        }
-    }
-
-    pairs = pair.split(',');
-
-    const betweenOne = pairs[0].split('-').map(x => parseInt(x));
-    const betweenTwo = pairs[1].split('-').map(x => parseInt(x));
-
-    for(let i = betweenOne[0]; i <= betweenOne[1]; i++) {
-        assignments[0][i - 1] = i;
-    }
-
-    for(let i = betweenTwo[0]; i <= betweenTwo[1]; i++) {
-        assignments[1][i - 1] = i;
-    }
-
-    let isOneInside = true, isTwoInside = true, foundOverlap = false;
-
-    for(let i = 0; i < 99; i++) {
-        if(assignments[0][i] !== "." && assignments[0][i] !== assignments[1][i]) isOneInside = false;
-        if(assignments[1][i] !== "." && assignments[0][i] !== assignments[1][i]) isTwoInside = false;
-        if(assignments[0][i] !== "." && assignments[0][i] === assignments[1][i] && !foundOverlap) {
-            foundOverlap = true;
-            countOverlap++;
-        }
-    }
-
-    if(isOneInside || isTwoInside) countPairs++;
-});
-
-console.log(countPairs)
-console.log(countOverlap)