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

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Lines changed: 6 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -77,7 +77,12 @@ public int maxProfit(int[] prices) {`
`77`	`77`	`// ^`
`78`	`78`
`79`	`79`	`int profit = 0;`
`80`		`- int buy = Integer.MAX_VALUE;`
	`80`	`+`
	`81`	`+ if (prices.length == 0) {`
	`82`	`+ return profit;`
	`83`	`+ }`
	`84`	`+`
	`85`	`+ int buy = 10000;`
`81`	`86`
`82`	`87`	`for (int i = 0; i < prices.length; i++) {`
`83`	`88`	`int curr = prices[i];`

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