Time: 260 ms (41.88%), Space: 46.2 MB (34.19%) - LeetHub

Author: froghramar

989-add-to-array-form-of-integer/989-add-to-array-form-of-integer.cs

@@ -0,0 +1,20 @@
+public class Solution {
+    public IList<int> AddToArrayForm(int[] num, int k)
+    {
+        var result = new List<int>();
+        for (var i = num.Length - 1; i >= 0; i--)
+        {
+            result.Add((num[i] + k) % 10);
+            k = (num[i] + k) / 10;
+        }
+
+        while (k > 0)
+        {
+            result.Add(k % 10);
+            k /= 10;
+        }
+
+        result.Reverse();
+        return result;
+    }
+}