hotel review

var lines = input.split('\n');

var wordlist = lines[0];

var wordScoresDict = {};
wordlist.map(word => wordScoresDict[word.toLowerCase()] = 0);

var hotels = [];

for (var i = 0, l = lines.length; i < l; i++) {
  if (i == 0) { 
    continue;
  } else if (i % 2 == 0) {
    hotels.push({
      id: lines[i],
      rating: lines[i+1]
    });
  }
}

hotels.forEach(hotel => {
  var wordsInRating = hotel.rating.match(/\w+/g).map(word => word.toLowerCase());
  
  wordsInRating.map(word => {
    if(wordScoresDict.hasOwnProperty(word)) {
      wordScoresDict[word]++
    }
  });
  
  var score = 0;
  
  for (var el in wordScoresDict) {
    score += wordScoresDict[el]
    wordScoresDict[el] = 0;
  }

  hotel.score = score;
})


hotels.sort(function (a, b) {
  return b.score - a.score;
}).map(item => item.id)