OneCent01

var generate = function(numRows) {
    var result = [];
    for(var i = 1; i <= numRows; i++) {
      var inner = [];
        for(var j = 0; j < i; j++) {
            inner.push(Math.abs(j + 1));
        } 
        if (j%2 > 0) {
            for(var q = i - 1; q >= 1; q--) {
                inner.push(Math.abs(q));

OneCent01

var generate = function(numRows) {
    var result = [];
    for(var i = 1; i <= numRows; i++) {
      var inner = [];
        for(var j = 0; j < i; j++) {
            inner.push(Math.abs(j + 1));
        } 
        
        for(var q = i - 1; q >= 1; q--) {
            inner.push(Math.abs(q));

OneCent01

var HashTable = function(limit=8) {
  this._limit = limit;
  this._storage = [];
  this._count = 0;
}
//this._storage = [/*container*/[/*bucket*/], [[/*tuple*/], []]]

OneCent01

String.prototype.hashCode = function(max){
  var hash = 0;
  if (!this.length) return hash;
  for (i = 0; i < this.length; i++) {
    char = this.charCodeAt(i);
    hash = ((hash<<5)-hash)+char;
    hash = hash & hash; // Convert to 32bit integer
  }
  return Math.abs(max?hash%max:hash);
};

OneCent01

HashTable.prototype.add = function(key, value) {
  var index = key.hashCode();
  var tuple = [key, value];
  var bucket = this._storage.get(index);
  if (bucket) { 
    for (var i = 0; i < bucket.length; i++) {  
      if (bucket[i][0] === key) {
        bucket[i][1] = value;
      } else {
        bucket.push(tuple);

OneCent01

HashTable.prototype.retrieve = function(key) {
  var index = key.hashCode();
  var bucket = this._storage.get(index);
  for (var i = 0; i < bucket.length; i++) {
    if (bucket[i][0] === key) {
      return bucket[i][1];
    }   
  }
};

OneCent01

class CashAmount {
  constructor(amount) {
    this.amount = amount;
  }
}

CashAmount.prototype.totalInPennies = function() {
  var pennies = this.amount * 100;
  return pennies;
};

OneCent01

var exponent = function(base, exp) {
  
  if(exp === 0) {
    return 1;
  } 
  if(exp < 0) {
    return 1/(base * exponent(base, -(exp+1)));
  }
  return base * exponent(base, exp-1);
};

OneCent01

var arraySum = function(array) {
  var total = 0;
  if(array.length === 0) {
    return 0;
  } 
  var popped = array.pop();
  if(Array.isArray(popped)) {
    total += arraySum(popped);
    return total += arraySum(array);
  } 

OneCent01

var factorial = function(n) {
	if(n < 0) {return null};
	var result = 1;
	if(n > 0) {
	  result = result * n * factorial(n - 1);
	} return result;
};