Create 989. Add to Array-Form of Integer 15 feb (#93)

989. Add to Array-Form of Integer

Author: Chayandas07

989. Add to Array-Form of Integer 15 feb

@@ -0,0 +1,36 @@
+
+class Solution {
+public:
+
+    vector<int> addToArrayForm(vector<int>& num, int k) {
+        
+        int carry = 0;
+        int j = num.size() - 1;
+
+        while(j >= 0)
+        {
+
+         int sum = num[j] + (k % 10) + carry;
+         k /= 10;
+
+         num[j--] = sum % 10;
+         carry = sum/10;
+
+        }
+
+        while(k > 0)
+        {
+
+         int sum = (k % 10) + carry;
+         k /= 10;
+    
+         num.insert(num.begin(), sum%10);
+         carry = sum/10;
+       
+        }
+
+        if(carry > 0) num.insert(num.begin(), carry);
+        
+        return num;
+    }
+};