66. Plus One #110

Algorithms/LeetCode.Algorithms/LeetCode.Algorithms/P/Plus One.cs

@@ -0,0 +1,42 @@
+using System.Numerics;
+
+namespace LeetCode.Algorithms;
+
+public class Plus_One
+{
+
+    public int[] PlusOne(int[] digits)
+    {
+        if (digits.Length == 0)
+            return new int[0];
+
+        List<int> rDigits = digits.Reverse().ToList();
+
+        var hand = 1;
+        for (var i = 0; i < rDigits.Count; i++)
+        {
+            rDigits[i] = hand + rDigits[i];
+            hand = 0;
+            if (rDigits[i] >= 10)
+            {
+                hand = rDigits[i] / 10;
+                rDigits[i] = rDigits[i] % 10;
+            }
+            else
+                break;
+        }
+        if (hand > 0)
+            rDigits.Add(hand);
+
+        int[] arr = new int[rDigits.Count];
+
+        var j = 0;
+        for (var i = rDigits.Count - 1; i >= 0; i--)
+        {
+            arr[j] = rDigits[i];
+            j++;
+        }
+
+        return arr;
+    }
+}