이슈 #454에서 솔루션 추가

fkdl0048 · Feb 23, 2025 · 57e334c · 57e334c
1 parent 12391f3
commit 57e334c
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/LeetCode/Roman_to_Integer.cpp b/LeetCode/Roman_to_Integer.cpp
@@ -0,0 +1,24 @@
+class Solution {
+public:
+    int romanToInt(string s) {
+        int result = 0;
+        unordered_map<char, int> m {
+            {'I', 1},
+            {'V', 5},
+            {'X', 10},
+            {'L', 50},
+            {'C', 100},
+            {'D', 500},
+            {'M', 1000}
+        };
+
+        for (int i = 0; i < s.length(); i++){
+            if (m[s[i]] < m[s[i + 1]])
+                result -= m[s[i]];
+            else
+                result += m[s[i]];
+        }
+
+        return result;
+    }
+};