update 121.best-time-to-buy-and-sell-stock.java

Author: marklcrns

121.best-time-to-buy-and-sell-stock.java

@@ -77,7 +77,12 @@ public int maxProfit(int[] prices) {
 		//               ^
 
 		int profit = 0;
-		int buy = Integer.MAX_VALUE;
+
+		if (prices.length == 0) {
+			return profit;
+		}
+
+		int buy = 10000;
 
 		for (int i = 0; i < prices.length; i++) {
 			int curr = prices[i];