Day 19 part 1

day19/part1.js

@@ -0,0 +1,19 @@
+var input = 3012210;
+
+var elves = [];
+for(var i = 0; i < input; i++){
+	elves.push(true);
+}
+var i = 0;
+while(elves.indexOf(true) != -1){
+	while(elves[i] == false){
+		i = (i+1)%(elves.length);
+	}
+	i = (i+1)%(elves.length);
+	while(elves[i] == false){
+		i = (i+1)%(elves.length);
+	}
+	last = i;
+	elves[i] = false;
+}
+console.log(last+1);