Create 121-Best-Time-To-Buy-and-Sell-Stock.py

Author: neetcode-gh

121-Best-Time-To-Buy-and-Sell-Stock.py

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+class Solution:
+    def maxProfit(self, prices: List[int]) -> int:
+        res = 0
+        
+        l = 0
+        for r in range(1, len(prices)):
+            if prices[r] < prices[l]:
+                l = r
+            res = max(res, prices[r] - prices[l])
+        return res