Given two integers n and x, determine whether n is a valid digit number with respect to x.

An integer n is considered valid if:

• The decimal representation of n contains the digit x.

• The leading digit of n is not equal to x.

Return true if n satisfies both conditions, and false otherwise.

Constraints:

• $0 \leq$ n $\leq 10^5$

• $0 \leq$ x $\leq 9$

Now, let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Implement your solution in the following coding playground.