Started day 11 parallel rewrite

day11/input_2.txt

@@ -1,4 +1,4 @@
-The first floor contains a polonium generator, a thulium generator, a thulium-compatible microchip, a promethium generator, a ruthenium generator, a ruthenium-compatible microchip, a cobalt generator, and a cobalt-compatible microchip.
+The first floor contains a polonium generator, a thulium generator, a thulium-compatible microchip, a promethium generator, a ruthenium generator, a ruthenium-compatible microchip, a cobalt generator, a elerium generator, a elerium-compatible microchip, a dilithium generator, a dilithium-compatible microchip, and a cobalt-compatible microchip.
 The second floor contains a polonium-compatible microchip and a promethium-compatible microchip.
 The third floor contains nothing relevant.
 The fourth floor contains nothing relevant.

day11/input_test.txt

@@ -0,0 +1,4 @@
+The first floor contains a thulium-compatible microchip.
+The second floor contains nothing relevant.
+The third floor contains nothing relevant.
+The fourth floor contains nothing relevant.

day11/old/part1.js

@@ -0,0 +1,151 @@
+var initialFloors = [];
+var initialLift = 0;
+var minFloor = 0;
+var _ = require("underscore");
+
+var scenarios = [
+  {
+    floors: initialFloors,
+    lift: initialLift
+  }
+];
+
+var input = require("fs").readFileSync("input.txt").toString().replace(/\r/g, "");
+input.split("\n").filter((a)=>(a)).forEach((line)=>{
+  var floorNums = ["first", "second", "third", "fourth"];
+  var lineParts = line.match(/The ([^ ]+) floor contains (.*)./);
+  var floorNum = floorNums.indexOf(lineParts[1]);
+  initialFloors[floorNum] = {chips: [], generators: []};
+  var items = lineParts[2].replace("and ", ", ").split(", ").filter((a)=>(a));
+  items.forEach((item)=>{
+    if(item.indexOf("generator") != -1){
+      var itemParts = item.match(/a ([^ ]+) generator/);
+      initialFloors[floorNum].generators.push(itemParts[1]);
+    }
+    else if(item.indexOf("microchip") != -1){
+      var itemParts = item.match(/a ([^ ]+)-compatible microchip/);
+      initialFloors[floorNum].chips.push(itemParts[1]);
+    }
+  });
+});
+
+function checkFloors(floors){
+  for(var floor of floors){
+    if(floor.generators.length > 0){
+      for(var elem of floor.chips){
+        if(floor.generators.indexOf(elem) == -1){
+          return false;
+        }
+      }
+    }
+  }
+  return true;
+}
+
+function possibleMoves(scenario){
+  var newScenarios = [];
+  for(var chip of scenario.floors[scenario.lift].chips){
+    if(scenario.lift > minFloor){
+      var floors = JSON.parse(JSON.stringify(scenario.floors));
+      floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
+      floors[scenario.lift - 1].chips.push(chip);
+      newScenarios.push({lift: scenario.lift - 1, floors: floors});
+    }
+    if(scenario.lift < 3){
+      var floors = JSON.parse(JSON.stringify(scenario.floors));
+      floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
+      floors[scenario.lift + 1].chips.push(chip);
+      newScenarios.push({lift: scenario.lift + 1, floors: floors});
+    }
+
+    for(var generator of scenario.floors[scenario.lift].generators){
+      /*
+      if(scenario.lift > 0){
+        var floors = JSON.parse(JSON.stringify(scenario.floors));
+        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
+        floors[scenario.lift].generators = floors[scenario.lift].generators.filter((a)=>(a != generator));
+        floors[scenario.lift - 1].chips.push(chip);
+        floors[scenario.lift - 1].generators.push(generator);
+        newScenarios.push({lift: scenario.lift - 1, floors: floors});
+      }
+      */
+      if(scenario.lift < 3){
+        var floors = JSON.parse(JSON.stringify(scenario.floors));
+        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
+        floors[scenario.lift].generators = floors[scenario.lift].generators.filter((a)=>(a != generator));
+        floors[scenario.lift + 1].chips.push(chip);
+        floors[scenario.lift + 1].generators.push(generator);
+        newScenarios.push({lift: scenario.lift + 1, floors: floors});
+      }
+    }
+    for(var chip2 of scenario.floors[scenario.lift].chips.filter((a)=>(a != chip))){
+      if(scenario.lift > minFloor){
+        var floors = JSON.parse(JSON.stringify(scenario.floors));
+        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip)).filter((a)=>(a != chip2));
+        floors[scenario.lift - 1].chips.push(chip);
+        floors[scenario.lift - 1].chips.push(chip2);
+        newScenarios.push({lift: scenario.lift - 1, floors: floors});
+      }
+      if(scenario.lift < 3){
+        var floors = JSON.parse(JSON.stringify(scenario.floors));
+        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip)).filter((a)=>(a != chip2));
+        floors[scenario.lift + 1].chips.push(chip);
+        floors[scenario.lift + 1].chips.push(chip2);
+        newScenarios.push({lift: scenario.lift + 1, floors: floors});
+      }
+    }
+  }
+  return newScenarios;
+}
+
+function newPossibleScenarios(){
+  allNewScenarios = [];
+  scenarios.forEach((scenario)=>{
+    allNewScenarios = allNewScenarios.concat(possibleMoves(scenario).filter((a)=>(checkFloors(a.floors))));
+  });
+  return allNewScenarios;
+}
+
+var i = 1;
+
+var solved = false;
+/*
+while(!solved){
+  scenarios = newPossibleScenarios();
+  console.log(JSON.stringify(scenarios));
+  i++
+  console.log(i);
+  minFloor = getMinFloor();
+  console.log(minFloor);
+  if(minFloor == 3){
+    console.log("SOLVED");
+    solved = true;
+  }
+}
+*/
+function getMinFloor(){
+  var min = 0;
+  for(var scenario of scenarios){
+    var scenarioMin = 5;
+    for(var i in scenario.floors){
+      if((scenario.floors[i].chips.length > 0) || (scenario.floors[i].generators.length > 0)){
+        if(i < scenarioMin){
+          scenarioMin = i;
+        }
+      }
+    }
+    if((scenarioMin > min) && (scenarioMin != 5)){
+      min = scenarioMin
+    }
+  }
+  return min;
+}
+
+
+//console.log(JSON.stringify(possibleMoves(scenarios[0])));
+for(var i = 0; i < 8; i++){
+  scenarios = newPossibleScenarios();
+  console.log(JSON.stringify(scenarios));
+  minFloor = getMinFloor()
+  console.log(minFloor);
+}

day11/package.json

@@ -10,6 +10,8 @@
   "license": "UNLICENSED",
   "dependencies": {
     "js-combinatorics": "^0.5.2",
+    "paralleljs": "^0.2.1",
+    "pararr": "0.0.3",
     "underscore": "^1.8.3"
   }
 }

day11/parallel_rewrite.js

@@ -2,8 +2,8 @@ var initialFloors = [];
 var initialLift = 0;
 var minFloor = 0;
 var _ = require("underscore");
-var combinatorics = require("js-combinatorics");
 var previous = [];
+var p = require("pararr");
 
 var scenarios = [
   {
@@ -12,7 +12,7 @@ var scenarios = [
   }
 ];
 
-var input = require("fs").readFileSync("input.txt").toString().replace(/\r/g, "");
+var input = require("fs").readFileSync("input_2.txt").toString().replace(/\r/g, "");
 input.split("\n").filter((a)=>(a)).forEach((line)=>{
   var floorNums = ["first", "second", "third", "fourth"];
   var lineParts = line.match(/The ([^ ]+) floor contains (.*)./);
@@ -49,8 +49,9 @@ function getMinFloors(floors){
 }
 
 function possibleScenarios(scenario){
-  var newScenarios = [];
+  var combinatorics = require("js-combinatorics");
 
+  var newScenarios = [];
   var ids = scenario.floors[scenario.lift].map((a, i)=>(i));
   var arrangements = [];
   if(ids.length >= 1){
@@ -71,7 +72,7 @@ function possibleScenarios(scenario){
       floors[scenario.lift] = floors[scenario.lift].filter((a)=>(a));
       newScenarios.push({lift: scenario.lift + 1, floors: floors});
     }
-    if((scenario.lift > minFloor)){
+    if((scenario.lift > 0)){
       var floors = JSON.parse(JSON.stringify(scenario.floors));
       floors[scenario.lift - 1].push(floors[scenario.lift][arrangement[0]]);
       delete floors[scenario.lift][arrangement[0]];
@@ -86,33 +87,95 @@ function possibleScenarios(scenario){
   return newScenarios;
 }
 
-function nextSetOfScenarios(){
-  var newScenarios = [];
+function nextSetOfScenarios(scenarios, callback){
+  scenarioCheckFloors = (scenario)=>{
+    for(var floor of scenario.floors){
+      if(floor.filter((a)=>(a[0] == "generator")).length > 0){
+        for(var element of floor.filter((a)=>(a[0] == "microchip")).map((a)=>(a[1]))){
+          if(floor.filter((a)=>(a[0] == "generator")).map((a)=>(a[1])).indexOf(element) == -1){
+            return false;
+          }
+        }
+      }
+    }
+    return true;
+  };
+
+  scenarioSort = (scenario)=>{
+    scenario.floors.forEach((a)=>(a.sort()));
+    return scenario;
+  }
+
+
+
+  console.log("start", scenarios.length);
+  p.map(scenarios, possibleScenarios, (err, scenarios)=>{
+    scenarios = scenarios.reduce((a, b)=>(a.concat(b)), []);
+    console.log("possibilities", scenarios.length);
+    p.filter(scenarios, scenarioCheckFloors, (err, scenarios)=>{
+      console.log("valid", scenarios.length);
+      p.map(scenarios, scenarioSort, (err, scenarios)=>{
+        console.log("sorted", scenarios.length);
+        callback(scenarios);
+      });
+    });
+  })
+
+  //p.map(possibleScenarios).reduce(merge).spawn(forceMerge).then(callback);
+
+
+  /*
   for(var scenario of scenarios){
     newScenarios = newScenarios.concat(possibleScenarios(scenario));
   }
+
+  console.log("removing invalid");
   newScenarios = newScenarios.filter((scenario)=>(checkFloors(scenario.floors)));
   console.log("newLength", newScenarios.length);
+  console.log("calc min");
   localMinFloor = newScenarios.map((scenario)=>(getMinFloors(scenario.floors))).reduce((a, b)=>(Math.max(a, b)))
-  //console.log(newScenarios);
-  //newScenarios = newScenarios.filter((scenario)=>(getMinFloors(scenario.floors) == localMinFloor));
+  console.log("sorting");
   newScenarios.forEach((scenario)=>{scenario.floors.forEach((a)=>(a.sort()));})
+  console.log("to JSON");
+  newScenarios = newScenarios.map((scenario)=>(JSON.stringify(scenario)));
+  console.log("dedupe");
   newScenarios = _.uniq(newScenarios, (scenario)=>(JSON.stringify(scenario)));
-  newScenarios = newScenarios.filter((scenario)=>(previous.indexOf(JSON.stringify(scenario)) == -1));
-  //previous = [];
-  newScenarios.map((scenario)=>(previous.push(JSON.stringify(scenario))));
+  console.log("removing previous");
+  newScenarios = _.difference(newScenarios, previous);
+  console.log("adding to previous");
+  newScenarios.forEach((scenario)=>(previous.push(scenario)));
+  console.log("from JSON");
+  newScenarios = newScenarios.map((scenario)=>(JSON.parse(scenario)));
+
   console.log("MIN", localMinFloor);
   if(localMinFloor == 3){
     console.log("SOLVED");
   }
   scenarios = newScenarios;
+  */
 }
-
+/*
 var i = 0;
 
 while(minFloor < 3){
   i++;
   nextSetOfScenarios();
+  console.log("it", i);
   console.log(scenarios.length);
 }
 console.log(i);
+*/
+
+var i = 0;
+
+var callback = (scenarios)=>{
+  if(i < 10){
+    nextSetOfScenarios(scenarios, callback);
+  }
+  else{
+    console.log(possibilities);
+    p.destroy();
+  }
+}
+
+nextSetOfScenarios(scenarios, callback);

day11/part1.js

@@ -2,6 +2,8 @@ var initialFloors = [];
 var initialLift = 0;
 var minFloor = 0;
 var _ = require("underscore");
+var combinatorics = require("js-combinatorics");
+var previous = [];
 
 var scenarios = [
   {
@@ -15,25 +17,25 @@ input.split("\n").filter((a)=>(a)).forEach((line)=>{
   var floorNums = ["first", "second", "third", "fourth"];
   var lineParts = line.match(/The ([^ ]+) floor contains (.*)./);
   var floorNum = floorNums.indexOf(lineParts[1]);
-  initialFloors[floorNum] = {chips: [], generators: []};
+  initialFloors[floorNum] = [];
   var items = lineParts[2].replace("and ", ", ").split(", ").filter((a)=>(a));
   items.forEach((item)=>{
     if(item.indexOf("generator") != -1){
       var itemParts = item.match(/a ([^ ]+) generator/);
-      initialFloors[floorNum].generators.push(itemParts[1]);
+      initialFloors[floorNum].push(["generator", itemParts[1]])
     }
     else if(item.indexOf("microchip") != -1){
       var itemParts = item.match(/a ([^ ]+)-compatible microchip/);
-      initialFloors[floorNum].chips.push(itemParts[1]);
+      initialFloors[floorNum].push(["microchip", itemParts[1]])
     }
   });
 });
 
 function checkFloors(floors){
   for(var floor of floors){
-    if(floor.generators.length > 0){
-      for(var elem of floor.chips){
-        if(floor.generators.indexOf(elem) == -1){
+    if(floor.filter((a)=>(a[0] == "generator")).length > 0){
+      for(var element of floor.filter((a)=>(a[0] == "microchip")).map((a)=>(a[1]))){
+        if(floor.filter((a)=>(a[0] == "generator")).map((a)=>(a[1])).indexOf(element) == -1){
           return false;
         }
       }
@@ -42,110 +44,84 @@ function checkFloors(floors){
   return true;
 }
 
-function possibleMoves(scenario){
+function getMinFloors(floors){
+  return floors.map((a)=>(Boolean(a.length))).indexOf(true);
+}
+
+function possibleScenarios(scenario){
   var newScenarios = [];
-  for(var chip of scenario.floors[scenario.lift].chips){
-    if(scenario.lift > minFloor){
-      var floors = JSON.parse(JSON.stringify(scenario.floors));
-      floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
-      floors[scenario.lift - 1].chips.push(chip);
-      newScenarios.push({lift: scenario.lift - 1, floors: floors});
-    }
+
+  var ids = scenario.floors[scenario.lift].map((a, i)=>(i));
+  var arrangements = [];
+  if(ids.length >= 1){
+    arrangements = arrangements.concat(combinatorics.combination(ids, 1).toArray());
+  }
+  if(ids.length >= 2){
+    arrangements = arrangements.concat(combinatorics.combination(ids, 2).toArray());
+  }
+  arrangements.forEach((arrangement)=>{
     if(scenario.lift < 3){
       var floors = JSON.parse(JSON.stringify(scenario.floors));
-      floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
-      floors[scenario.lift + 1].chips.push(chip);
+      floors[scenario.lift + 1].push(floors[scenario.lift][arrangement[0]]);
+      delete floors[scenario.lift][arrangement[0]];
+      if(arrangement.length == 2){
+        floors[scenario.lift + 1].push(floors[scenario.lift][arrangement[1]]);
+        delete floors[scenario.lift][arrangement[1]];
+      }
+      floors[scenario.lift] = floors[scenario.lift].filter((a)=>(a));
       newScenarios.push({lift: scenario.lift + 1, floors: floors});
     }
-
-    for(var generator of scenario.floors[scenario.lift].generators){
-      /*
-      if(scenario.lift > 0){
-        var floors = JSON.parse(JSON.stringify(scenario.floors));
-        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
-        floors[scenario.lift].generators = floors[scenario.lift].generators.filter((a)=>(a != generator));
-        floors[scenario.lift - 1].chips.push(chip);
-        floors[scenario.lift - 1].generators.push(generator);
-        newScenarios.push({lift: scenario.lift - 1, floors: floors});
-      }
-      */
-      if(scenario.lift < 3){
-        var floors = JSON.parse(JSON.stringify(scenario.floors));
-        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip));
-        floors[scenario.lift].generators = floors[scenario.lift].generators.filter((a)=>(a != generator));
-        floors[scenario.lift + 1].chips.push(chip);
-        floors[scenario.lift + 1].generators.push(generator);
-        newScenarios.push({lift: scenario.lift + 1, floors: floors});
+    if((scenario.lift > minFloor)){
+      var floors = JSON.parse(JSON.stringify(scenario.floors));
+      floors[scenario.lift - 1].push(floors[scenario.lift][arrangement[0]]);
+      delete floors[scenario.lift][arrangement[0]];
+      if(arrangement.length == 2){
+        floors[scenario.lift - 1].push(floors[scenario.lift][arrangement[1]]);
+        delete floors[scenario.lift][arrangement[1]];
       }
+      floors[scenario.lift] = floors[scenario.lift].filter((a)=>(a));
+      newScenarios.push({lift: scenario.lift - 1, floors: floors});
     }
-    for(var chip2 of scenario.floors[scenario.lift].chips.filter((a)=>(a != chip))){
-      if(scenario.lift > minFloor){
-        var floors = JSON.parse(JSON.stringify(scenario.floors));
-        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip)).filter((a)=>(a != chip2));
-        floors[scenario.lift - 1].chips.push(chip);
-        floors[scenario.lift - 1].chips.push(chip2);
-        newScenarios.push({lift: scenario.lift - 1, floors: floors});
-      }
-      if(scenario.lift < 3){
-        var floors = JSON.parse(JSON.stringify(scenario.floors));
-        floors[scenario.lift].chips = floors[scenario.lift].chips.filter((a)=>(a != chip)).filter((a)=>(a != chip2));
-        floors[scenario.lift + 1].chips.push(chip);
-        floors[scenario.lift + 1].chips.push(chip2);
-        newScenarios.push({lift: scenario.lift + 1, floors: floors});
-      }
-    }
-  }
+  });
   return newScenarios;
 }
 
-function newPossibleScenarios(){
-  allNewScenarios = [];
-  scenarios.forEach((scenario)=>{
-    allNewScenarios = allNewScenarios.concat(possibleMoves(scenario).filter((a)=>(checkFloors(a.floors))));
-  });
-  return allNewScenarios;
-}
-
-var i = 1;
-
-var solved = false;
-/*
-while(!solved){
-  scenarios = newPossibleScenarios();
-  console.log(JSON.stringify(scenarios));
-  i++
-  console.log(i);
-  minFloor = getMinFloor();
-  console.log(minFloor);
-  if(minFloor == 3){
-    console.log("SOLVED");
-    solved = true;
-  }
-}
-*/
-function getMinFloor(){
-  var min = 0;
+function nextSetOfScenarios(){
+  var newScenarios = [];
   for(var scenario of scenarios){
-    var scenarioMin = 5;
-    for(var i in scenario.floors){
-      if((scenario.floors[i].chips.length > 0) || (scenario.floors[i].generators.length > 0)){
-        if(i < scenarioMin){
-          scenarioMin = i;
-        }
-      }
-    }
-    if((scenarioMin > min) && (scenarioMin != 5)){
-      min = scenarioMin
-    }
+    newScenarios = newScenarios.concat(possibleScenarios(scenario));
   }
-  return min;
+  console.log("removing invalid");
+  newScenarios = newScenarios.filter((scenario)=>(checkFloors(scenario.floors)));
+  console.log("newLength", newScenarios.length);
+  console.log("calc min");
+  localMinFloor = newScenarios.map((scenario)=>(getMinFloors(scenario.floors))).reduce((a, b)=>(Math.max(a, b)))
+  console.log("sorting");
+  newScenarios.forEach((scenario)=>{scenario.floors.forEach((a)=>(a.sort()));})
+  console.log("to JSON");
+  newScenarios = newScenarios.map((scenario)=>(JSON.stringify(scenario)));
+  console.log("dedupe");
+  newScenarios = _.uniq(newScenarios, (scenario)=>(JSON.stringify(scenario)));
+  console.log("removing previous");
+  newScenarios = _.difference(newScenarios, previous);
+  console.log("adding to previous");
+  newScenarios.forEach((scenario)=>(previous.push(scenario)));
+  console.log("from JSON");
+  newScenarios = newScenarios.map((scenario)=>(JSON.parse(scenario)));
+
+  console.log("MIN", localMinFloor);
+  if(localMinFloor == 3){
+    console.log("SOLVED");
+  }
+  scenarios = newScenarios;
 }
 
+var i = 0;
 
-//console.log(JSON.stringify(possibleMoves(scenarios[0])));
-for(var i = 0; i < 8; i++){
-  scenarios = newPossibleScenarios();
-  console.log(JSON.stringify(scenarios));
-  minFloor = getMinFloor()
-  console.log(minFloor);
+while(minFloor < 3){
+  i++;
+  nextSetOfScenarios();
+  console.log("it", i);
+  console.log(scenarios.length);
 }
+console.log(i);

day11/test.js

@@ -0,0 +1,10 @@
+var p = require("pararr");
+//var p = new Parallel([1, 2]);
+
+square = (num)=>([1, Math.pow(num, 2)]);
+merge = ([a, b])=>(a.concat(b));
+
+p.map([1, 2, 3], square, (err, data)=>{
+	console.log(data);
+	p.destroy();
+});