diff --git a/Problem1.py b/Problem1.py
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index 0000000..501375b
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+++ b/Problem1.py
@@ -0,0 +1,27 @@
+# https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/description/
+
+# Two pointer approach
+
+class Solution:
+    def maxProfit(self, prices: List[int]) -> int:
+        profit = 0
+        i = 0
+
+        while i < len(prices)-1:
+            if prices[i] < prices[i+1]:
+                profit += prices[i+1] - prices[i]
+            i += 1
+
+        return profit
+    
+class Solution:
+    def maxProfit(self, prices: List[int]) -> int:
+        profit = 0
+        i = 0
+
+        for i in range(1, len(prices)):
+            if prices[i-1] < prices[i]:
+                profit += prices[i] - prices[i-1]
+            i += 1
+
+        return profit
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