From 2b4ee7ac57696d07a4f7e55244c250eb1f6cc280 Mon Sep 17 00:00:00 2001
From: Krishna Vedala <7001608+kvedala@users.noreply.github.com>
Date: Fri, 30 Oct 2020 17:26:37 +0530
Subject: [PATCH] problem 13

---
 leetcode/problem_12/sol1.c |  6 +++---
 leetcode/problem_13/sol1.c | 41 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/leetcode/problem_12/sol1.c b/leetcode/problem_12/sol1.c
index 60bcd1ff..484bb6d7 100644
--- a/leetcode/problem_12/sol1.c
+++ b/leetcode/problem_12/sol1.c
@@ -1,8 +1,8 @@
 /**
  * \file
- * \brief [3. Integer to roman](https://leetcode.com/problems/integer-to-roman/)
- * solution
- * \details Given an integer, convert it to a roman numeral.
+ * \brief [12. Integer to
+ * roman](https://leetcode.com/problems/integer-to-roman/) solution \details
+ * Given an integer, convert it to a roman numeral.
  */
 
 #include <assert.h>
diff --git a/leetcode/problem_13/sol1.c b/leetcode/problem_13/sol1.c
index 1450813b..0694ac6f 100644
--- a/leetcode/problem_13/sol1.c
+++ b/leetcode/problem_13/sol1.c
@@ -1,3 +1,22 @@
+/**
+ * \file
+ * \brief [13. Roman to
+ * Integer](https://leetcode.com/problems/roman-to-integer/)
+ * solution
+ * \details Given a roman numeral, convert it to an integer.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * @brief Convert a given roman numeral string to integer.
+ *
+ * @param s roman numeral string
+ * @return converted integer
+ */
 int romanToInt(char *s)
 {
     int romanToInt = 0;
@@ -55,4 +74,24 @@ int romanToInt(char *s)
         }
     }
     return romanToInt;
-}
\ No newline at end of file
+}
+
+/**
+ * @brief Main function
+ * @return 0
+ */
+int main()
+{
+    assert(romanToInt("III") == 3);
+    printf("Test 1 passed\n");
+    assert(romanToInt("IV") == 4);
+    printf("Test 2 passed\n");
+    assert(romanToInt("IX") == 9);
+    printf("Test 3 passed\n");
+    assert(romanToInt("LVIII") == 58);
+    printf("Test 4 passed\n");
+    assert(romanToInt("MCMXCIV") == 1994);
+    printf("Test 5 passed\n");
+
+    return 0;
+}