From 185ef9fcb0e59f13e9ee0ccb261693cdaddebab0 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 23 Feb 2021 21:07:19 +0800
Subject: import(solutions): Move leetcode solutions to subdir.

---
 works/solutions/leetcode/cpp/121.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 works/solutions/leetcode/cpp/121.cpp

(limited to 'works/solutions/leetcode/cpp/121.cpp')

diff --git a/works/solutions/leetcode/cpp/121.cpp b/works/solutions/leetcode/cpp/121.cpp
new file mode 100644
index 0000000..8561fa3
--- /dev/null
+++ b/works/solutions/leetcode/cpp/121.cpp
@@ -0,0 +1,24 @@
+#include <vector>
+
+using std::vector;
+
+class Solution
+{
+public:
+    int maxProfit(vector<int> &prices)
+    {
+        if (prices.size() <= 1) return 0;
+
+        int result = 0;
+        int min = prices.front();
+        for (int i = 1; i < prices.size(); i++)
+        {
+            if (prices[i] - min > result)
+                result = prices[i] - min;
+            if (prices[i] < min)
+                min = prices[i];
+        }
+
+        return result;
+    }
+};
-- 
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