1 files changed, 18 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/cpp/7.cpp b/store/works/solutions/leetcode/cpp/7.cpp
new file mode 100644
index 0000000..a1a05c1
--- /dev/null
+++ b/store/works/solutions/leetcode/cpp/7.cpp
@@ -0,0 +1,18 @@
+class Solution
+{
+public:
+    int reverse(int x)
+    {
+        int result = 0;
+        while (x != 0)
+        {
+            int digit = x % 10;
+            x /= 10;
+            if (__builtin_smul_overflow(result, 10, &result))
+                return 0;
+            if (__builtin_sadd_overflow(result, digit, &result))
+                return 0;
+        }
+        return result;
+    }
+};