From 3a9b485307f6f2d34535df2c2b6c1f6a2756fec3 Mon Sep 17 00:00:00 2001
From: Guillaume Desktop <robertohelper@outlook.com>
Date: Sat, 20 Sep 2025 19:13:08 +0200
Subject: [PATCH] feature: added 0263 cs

---
 csharp/0263-ugly-number.cs | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 csharp/0263-ugly-number.cs

diff --git a/csharp/0263-ugly-number.cs b/csharp/0263-ugly-number.cs
new file mode 100644
index 000000000..123c1cb1b
--- /dev/null
+++ b/csharp/0263-ugly-number.cs
@@ -0,0 +1,32 @@
+public class Solution
+{
+    public bool IsUgly(int n)
+    {
+        while (n != 0)
+        {
+            if (n == 1)
+            {
+                return true;
+            }
+
+            if (n % 2 == 0)
+            {
+                n /= 2;
+            }
+            else if (n % 3 == 0)
+            {
+                n /= 3;
+            }
+            else if (n % 5 == 0)
+            {
+                n /= 5;
+            }
+            else
+            {
+                break;
+            }
+        }
+
+        return false;
+    }
+}
\ No newline at end of file