C Code | Master mind or Bulls and Cows game

Giving the code below, for details about the game, read at Wikipedia or play at archimedes-lab.

In the below code, a 4 digit number with unique digits is generated by swapping an array having 10 elements (0 to 9) for N_SWAP number of times. The player is given 8 chances to identify the 4 digit number. For every input, the game will show number of bulls and cows.Digits at the right place are counted as bulls and the digits at the wrong place are counted as cows.

Hint: If bulls + cows = 4, it means the number you entered have the right digits but positionally misplaced.

Example: Let the secret number be 1234. Guessed number be 1203. Now bulls = 2, cows = 1.

Disclaimer:
The above article doesn't give you any guarantee and the sole purpose of this article is to share my learning in the way I understood. Any comments to refine this article are welcome with great pleasure. Please report any breaking link by commenting below.

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