pyramid-slide-down.js

pyramid-slide-down.js

function longestSlideDown (pyramid) {
  var pyramidClone = pyramid.slice();
  for(var i = pyramid.length - 2; i >= 0; i--){
  current = pyramid[i]
  if(i === pyramid.length - 2){
    next = pyramidClone[i+1]
  } else {
    next = newArr
  }
  newRow = []
  for(var j = 0; j < current.length; j++){
    leftChild = next[j]
    rightChild = next[j+1]
    bigger = Math.max(leftChild,rightChild)
    newRow.push(current[j] + bigger)
  }
  newArr = newRow
}
return newArr[0]
}