# Add One To Number: Interviewbit Solution

**Problem:** __Add One To Number__

**Problem Description:**

Given a non-negative number represented as an array of digits,

add 1 to the number ( increment the number represented by the digits ).

The digits are stored such that the most significant digit is at the head of the list.

**Example:**

```
If the vector has [1, 2, 3]
the returned vector should be [1, 2, 4]
as 123 + 1 = 124.
```

**Solution: **

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