From 852e5b2f46e1db531226d55f3f184203f6a71872 Mon Sep 17 00:00:00 2001
From: Shishir <shishir170103@gmail.com>
Date: Tue, 10 Oct 2023 19:58:58 +0530
Subject: [PATCH] Create RomantoInteger.java

---
 LeetCode/RomantoInteger.java | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 LeetCode/RomantoInteger.java

diff --git a/LeetCode/RomantoInteger.java b/LeetCode/RomantoInteger.java
new file mode 100644
index 00000000..c736f16c
--- /dev/null
+++ b/LeetCode/RomantoInteger.java
@@ -0,0 +1,23 @@
+class Solution{
+    public int romanToInt(String s){
+         Map<Character , Integer> m =new HashMap<>();
+         
+        m.put('I',1);
+        m.put('V', 5);
+        m.put('X', 10);
+        m.put('L', 50);
+        m.put('C', 100);
+        m.put('D', 500);
+        m.put('M', 1000);
+
+        int ans=0;
+        for(int i=0;i<s.length();i++){
+            if(i<s.length()-1 && m.get(s.charAt(i))<m.get(s.charAt(i+1))){
+            ans -=m.get(s.charAt(i));
+        }else{
+            ans +=m.get(s.charAt(i));
+        }
+    }
+    return ans;
+}
+}