MaxProfit

function getProfit(list: number[]): number {
  const maxProfitForEach: number[] = [];

  list.forEach((cost: number, index: number) => {
    const nextDays = list.slice(index);
    const maxCost = Math.max.apply(null, nextDays);

    maxProfitForEach.push(maxCost - cost);
  });

  return Math.max.apply(null, maxProfitForEach);
}