buy-sell-stock-greedy.js

const getMaxProfit = (prices) => {
  let minPrice = prices[0];
  let maxProft = 0;

  for (const price of prices) {
    const currentProfit = price - minPrice;
    minPrice = Math.min(minPrice, price);
    maxProft = Math.max(maxProft, price - minPrice);
  }

  return maxProft;
};