Create 0989-add-to-array-form-of-integer.kt

Author: a93a

Diff for: kotlin/0989-add-to-array-form-of-integer.kt

@@ -0,0 +1,23 @@
+class Solution {
+    fun addToArrayForm(num: IntArray, k: Int): List<Int> {
+        var carry = 0
+        var toAdd = k
+        val res = ArrayList<Int>()
+        var pointer = num.size-1
+        while(pointer >= 0 || toAdd > 0 || carry != 0) {
+            val rightMostMask = toAdd % 10
+            var temp = rightMostMask + carry
+            if(pointer >= 0)
+                temp += num[pointer]
+            carry = 0
+            if(temp >= 10){
+                temp = temp % 10
+                carry = 1
+            }
+            res.add(0, temp)
+            toAdd = toAdd / 10
+            pointer--
+        }
+        return res
+    }
+}