added initial puzzles

puzzles/array_sort.js

@@ -0,0 +1,49 @@
+function makeArray(){
+  var length = 5000;
+  var toreturn = [];
+  for(var i=0; i<length; i++){
+    toreturn[i] = Math.floor(Math.random()*(length*2));
+  }
+  return toreturn;
+}
+
+function sortArray(tosort){
+  var copy = [];
+  for(var i=0; i<tosort.length; i++){
+    copy[i] = parseInt(tosort[i]);
+  }
+  return copy.sort(function(a,b){
+    return parseInt(a) > parseInt(b);
+  });
+}
+
+module.exports={
+  name:'Array Sort',
+
+  createQuestion:function(){
+    return {
+      array_to_sort: makeArray(),
+      solution_template: [0,1,2,3,4,5,6,7,8,9,10]
+    }
+  },
+
+  validateAnswer:function(question,answer){
+    if(question.hasOwnProperty('array_to_sort')){
+      try{
+        assert.deepEqual(question.array_to_sort, sortArray(answer));
+        return true;
+      }
+      catch(e){ return false }
+    }else{ return false }
+  }
+}
+
+//test
+  var question = module.exports.createQuestion();
+  console.log('Question is: ');
+  console.log(question);
+
+  var answer = sortArray(question.array_to_sort);
+  console.log(answer);
+  console.log(module.exports.validateAnswer(question, answer));
+

puzzles/index.js

@@ -0,0 +1,17 @@
+var fs = require('fs');
+
+var puzzles = fs.readdirSync('./').filter(function(i){ return i !== 'index.js' });
+
+
+module.exports = puzzles.reduce(function(acc, i){
+  var puzzle = require('./' + i);
+  if(puzzle.hasOwnProperty('name')){
+   acc[puzzle.name] = puzzle;
+  }
+  return acc
+},{})
+
+console.log('-----------------------------------------');
+console.log('Found the following Puzzles:')
+console.log(module.exports);
+console.log('-----------------------------------------');