Merge pull request neetcode-gh#555 from MaratKhakim/121_best_time_to_buy_and_sell

Go: 121 Best Time to Buy and Sell Stock

Author: Ahmad-A0

go/121-Best-Time-To-Buy-And-Sell-Stock.go

@@ -0,0 +1,16 @@
+func maxProfit(prices []int) int {
+	min := math.MaxUint32
+	res := 0
+
+	for _, price := range prices {
+		if price > min {
+			if price-min > res {
+				res = price - min
+			}
+		} else {
+			min = price
+		}
+	}
+
+	return res
+}