Added day 19 stuff (broken)

day19/part2.js

@@ -0,0 +1,22 @@
+var input = 7;
+
+var elves = [];
+for(var i = 0; i < input; i++){
+	elves.push(i+1);
+}
+
+var i = 0;
+while(elves.length > 1){
+	if(!(elves.length%1000)) console.log(elves.length)
+	var toRemove = Math.floor((i + (elves.length/2)))%(elves.length)
+	//console.log(i, elves[i], elves[toRemove], elves);
+	elves.splice(toRemove, 1);
+	if(toRemove > i){
+		i = (i+1)%elves.length;
+	}
+	else{
+		i = i%elves.length;
+	}
+}
+
+console.log(elves);

day19/part2_2.js

@@ -0,0 +1,30 @@
+var input = 3012210;
+
+var elves = [];
+for(var i = 0; i < input; i++){
+	elves[i] = true;
+}
+
+var i = 0;
+var count = elves.length;
+while(count > 1){
+	if(!(count%1000)) console.log(count)
+	var toRemoveAhead = Math.floor(count/2);
+	var pos = i;
+	var passed = 0;
+	while(passed < toRemoveAhead){
+		pos = (pos + 1)%(elves.length);
+		if(elves[pos]){
+			passed++;
+		}
+	}
+	elves[pos] = false;
+	count--;
+
+	i = (i+1)%(elves.length);
+	while(elves[i] == false){
+		i = (i+1)%(elves.length);
+	}
+}
+
+console.log(elves.indexOf(true) + 1);