diff --git a/C++/reverse-integer.cpp b/C++/reverse-integer.cpp
index d181c1ca71..70ea5874e9 100644
--- a/C++/reverse-integer.cpp
+++ b/C++/reverse-integer.cpp
@@ -21,3 +21,22 @@ class Solution {
         return result;
     }
 };
+
+
+//Time : O(1)
+class Solution2 {
+public:
+    int reverse(int x) {
+        long long ans = 0;
+        
+        if(x/10 == 0)
+            return x;
+        
+        while(x){
+            ans = ans*10 + x%10;
+            x = x/10;
+        }
+        
+        return (ans > INT_MAX || ans < INT_MIN) ? 0 : ans;
+    }
+};