solultion: solved #27 in c#

Author: Guardiaans

csharp/27.remove-element.cs

@@ -0,0 +1,27 @@
+/*
+ * @lc app=leetcode id=27 lang=csharp
+ *
+ * [27] Remove Element
+ */
+
+// @lc code=start
+public class Solution
+{
+    public int RemoveElement(int[] nums, int val)
+    {
+        int i = 0;
+        for (int j = 0; j < nums.Length; j++)
+        {
+            if (nums[j] != val)
+            {
+                nums[i] = nums[j];
+                i++;
+            }
+        }
+        return i;
+    }
+
+}
+
+// @lc code=end
+