AC https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock

Author: AaronLinRC

src/main/kotlin/leetcode/best-time-to-buy-and-sell-stock/Solution.kt

@@ -0,0 +1,13 @@
+package leetcode.`best-time-to-buy-and-sell-stock`
+
+class Solution {
+    fun maxProfit(prices: IntArray): Int {
+        var money = 0
+        var max = 0
+        for (i in prices.lastIndex downTo 0){
+            max = Math.max(max, prices[i])
+            money = Math.max(money, max - prices[i])
+        }
+        return money
+    }
+}