declass

Author: andrewlihk

Roman to Integer - Leetcode 13/Roman to Integer - Leetcode 13.py

@@ -1,18 +1,21 @@
-class Solution:
-    def romanToInt(self, s: str) -> int:
-        d = {'I': 1, 'V':5, 'X':10, 'L':50, 'C':100, 'D': 500, 'M':1000}
-        summ = 0
-        n = len(s)
-        i = 0
-        
-        while i < n:
-            if i < n - 1 and d[s[i]] < d[s[i+1]]:
-                summ += d[s[i+1]] - d[s[i]]
-                i += 2
-            else:
-                summ += d[s[i]]
-                i += 1
-        
-        return summ
-        # Time: O(n)
-        # Space: O(1)
+
+def romanToInt(s) -> int:
+    d = {'I': 1, 'V':5, 'X':10, 'L':50, 'C':100, 'D': 500, 'M':1000}
+    summ = 0
+    n = len(s)
+    i = 0
+    
+    while i < n:
+        if i < n - 1 and d[s[i]] < d[s[i+1]]:
+            summ += d[s[i+1]] - d[s[i]]
+            i += 2
+        else:
+            summ += d[s[i]]
+            i += 1
+    
+    return summ
+    # Time: O(n)
+    # Space: O(1)
+
+print(romanToInt("MCMXCIV"))
+