cs: add “283. Move Zeroes”

Signed-off-by: Matej Focko <mfocko@redhat.com>

cs/move-zeroes.cs

@@ -0,0 +1,31 @@
+public class Solution {
+    public void MoveZeroes(int[] nums) {
+        var i = 0;
+        // find first zero
+        while (i < nums.Length && nums[i] != 0) {
+            ++i;
+        }
+
+        for (var j = i + 1; j < nums.Length; ++j) {
+            // we do nothing for zeroes
+            if (nums[j] == 0) {
+                continue;
+            }
+
+            // find first zero
+            while (i < nums.Length && nums[i] != 0) {
+                ++i;
+            }
+
+            // no zero has been found
+            if (i >= nums.Length) {
+                break;
+            }
+
+            // swap them while maintaining the order
+            nums[i] = nums[j];
+            nums[j] = 0;
+            ++i;
+        }
+    }
+}