Add 2023/Day2/part2.js

2023/Day2/part2.js

@@ -0,0 +1,26 @@
+#!/usr/bin/env node
+
+var fs = require('fs');
+var games = fs.readFileSync('input.txt','utf8').split('\n').filter(i=>i).map(i=>i.split(':').pop()).map(i=>i.split(';')).map(i=>i.map(i=>i.split(','))).map(i=>i.map(i=>i.map(i=>i.split(' ').filter(i=>i))));
+
+var maxes = {
+ red:12,
+ green:13,
+ blue:14
+};
+
+//var sum=0;
+//for(var gameid=1;gameid<=games.length;++gameid) {
+// var game = games[gameid-1];
+// var bad = game.some(sample=>sample.some(([count,color])=>count>maxes[color]));
+// if(!bad) sum+=gameid;
+//}
+
+var allpower = games.reduce((acc,game)=>{
+ var base={red:0,blue:0,green:0};
+ game.forEach(sample=>sample.forEach(([count,color])=>base[color]=Math.max(base[color],count)));
+ return acc+base.red*base.blue*base.green;
+},0);
+
+
+console.log('Result:',allpower);