From 8564c41875356bd9bfce09f0baf4a7e9201987ee Mon Sep 17 00:00:00 2001
From: Fazeel Usmani <fazeelusmani18@gmail.com>
Date: Fri, 15 Oct 2021 23:59:29 +0530
Subject: [PATCH] Create 15_buy&sellStockwithCooldown.cpp

---
 .../15_buy&sellStockwithCooldown.cpp                   | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 10 October LeetCode Challenge 2021/15_buy&sellStockwithCooldown.cpp

diff --git a/10 October LeetCode Challenge 2021/15_buy&sellStockwithCooldown.cpp b/10 October LeetCode Challenge 2021/15_buy&sellStockwithCooldown.cpp
new file mode 100644
index 0000000..c8cfcc3
--- /dev/null
+++ b/10 October LeetCode Challenge 2021/15_buy&sellStockwithCooldown.cpp	
@@ -0,0 +1,10 @@
+int maxProfit(vector<int> &prices) {
+    int buy(INT_MIN), sell(0), prev_sell(0), prev_buy;
+    for (int price : prices) {
+        prev_buy = buy;
+        buy = max(prev_sell - price, buy);
+        prev_sell = sell;
+        sell = max(prev_buy + price, sell);
+    }
+    return sell;
+}