Finish 121

Author: viewv

121. Best Time to Buy and Sell Stock..py

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+class Solution(object):
+    def maxProfit(self, prices):
+        """
+        :type prices: List[int]
+        :rtype: int
+        """
+        sellPrice = 9999999
+        length = len(prices)
+        maxAns = 0
+        for x in range(0, length):
+            if prices[x] < sellPrice:
+                sellPrice = prices[x]
+            if prices[x] > sellPrice:
+                temp = prices[x] - sellPrice
+                if temp > maxAns:
+                    maxAns = temp
+        return maxAns