From dc1f0c4c0096013799416664894c5194dc7e1f52 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Fri, 28 Feb 2025 23:13:39 +0800
Subject: chore(store): move everything to store.

---
 store/works/solutions/leetcode/cpp/12.cpp | 51 +++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 store/works/solutions/leetcode/cpp/12.cpp

(limited to 'store/works/solutions/leetcode/cpp/12.cpp')

diff --git a/store/works/solutions/leetcode/cpp/12.cpp b/store/works/solutions/leetcode/cpp/12.cpp
new file mode 100644
index 0000000..e334895
--- /dev/null
+++ b/store/works/solutions/leetcode/cpp/12.cpp
@@ -0,0 +1,51 @@
+#include <string>
+
+using std::string;
+
+const char *roman_digits = "IVXLCDM";
+
+class Solution
+{
+public:
+    string intToRoman(int num)
+    {
+        string result;
+
+        int current_digit_index = 0;
+
+        while (num != 0)
+        {
+            const int digit = num % 10;
+            if (digit == 9)
+            {
+                result += roman_digits[current_digit_index + 2];
+                result += roman_digits[current_digit_index];
+            }
+            else if (digit <= 8 && digit >= 5)
+            {
+                for (int i = 0; i < digit - 5; i++)
+                {
+                    result += roman_digits[current_digit_index];
+                }
+                result += roman_digits[current_digit_index + 1];
+            }
+            else if (digit == 4)
+            {
+                result += roman_digits[current_digit_index + 1];
+                result += roman_digits[current_digit_index];
+            }
+            else
+            {
+                for (int i = 0; i < digit; i++)
+                {
+                    result += roman_digits[current_digit_index];
+                }
+            }
+
+            num /= 10;
+            current_digit_index += 2;
+        }
+
+        return string(result.crbegin(), result.crend());
+    }
+};
\ No newline at end of file
-- 
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