solution(python): 13. Roman to Integer

13. Roman to Integer
godkingjay · Oct 10, 2023 · 407f0a0 · 407f0a0
2 parents 1c86d9e + 1e2d3d8
commit 407f0a0
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/Easy/13. Roman to Integer/Solution.py b/Easy/13. Roman to Integer/Solution.py
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+roman = {'I':1,'V':5,'X':10,'L':50,'C':100,'D':500,'M':1000}
+class Solution:
+    def romanToInt(self, S: str) -> int:
+        summ= 0
+        for i in range(len(S)-1,-1,-1):
+            num = roman[S[i]]
+            if 3*num < summ: 
+                summ = summ-num
+            else: 
+                summ = summ+num
+        return summ