增加新题目

贪心算法/买卖股票的最佳时机/main.go

@@ -0,0 +1,26 @@
+package main
+
+func main() {
+
+}
+func maxProfit(prices []int) int {
+	minnum := 0
+	res := 0
+
+	for i := 0; i < len(prices); i++ {
+		if i == 0 {
+			minnum = prices[i]
+			res = 0
+			continue
+		}
+		if prices[i] < minnum {
+			minnum = prices[i]
+		}
+		tmpnum := prices[i] - minnum
+
+		if tmpnum > res {
+			res = tmpnum
+		}
+	}
+	return res
+}