From d8f3b40085619cb680c8f227c65a1f5acc393223 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 23 Feb 2021 21:07:19 +0800
Subject: Move leetcode solutions to subdir.

---
 leetcode/cpp/299.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 leetcode/cpp/299.cpp

(limited to 'leetcode/cpp/299.cpp')

diff --git a/leetcode/cpp/299.cpp b/leetcode/cpp/299.cpp
new file mode 100644
index 0000000..21c09b6
--- /dev/null
+++ b/leetcode/cpp/299.cpp
@@ -0,0 +1,44 @@
+#include <string>
+
+using std::string;
+
+class Solution
+{
+public:
+    string getHint(string secret, string guess)
+    {
+        int a = 0;
+
+        int secret_digit_count[10] = {0};
+
+        auto secret_iter = secret.cbegin();
+        auto guess_iter = guess.cbegin();
+
+        while (secret_iter != secret.cend())
+        {
+            auto secret_digit = *secret_iter;
+            auto guess_digit = *guess_iter;
+
+            secret_digit_count[secret_digit - '0']++;
+
+            if (secret_digit == guess_digit)
+                a++;
+
+            ++secret_iter;
+            ++guess_iter;
+        }
+
+        int b = 0;
+        for (auto c : guess)
+        {
+            auto digit = c - '0';
+            if (secret_digit_count[digit])
+            {
+                b++;
+                secret_digit_count[digit]--;
+            }
+        }
+
+        return std::to_string(a) + "A" + std::to_string(b - a) + "B";
+    }
+};
-- 
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