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

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

OneCent01

var isDivisible = function(n, c) {
  if(n < 0) {
    return isDivisible(-n, c);
  }
  if(n > 0 && n < c) {
    return false;
  } 
  if(n === 0) {
    return true;
  } 

OneCent01

var flatten = function(items) {
  var flat = [];
  items.forEach(function(item) {
    if (Array.isArray(item)) {
        flat.push(...flatten(item));
    } else {
      flat.push(item);
    }
  });

OneCent01

const hasPathToSum = function(node, targetSum) {
  var total = 0;
  var traverse = function(subnode) {
    console.log('subnode: ', subnode);
    if(!subnode.flag) {
      console.log(total);
      total += subnode.value;
    }
    if(subnode.children.length === 0 && total === targetSum) {
      return true;