Return value of function freopen() is not used.

[codacy-production]

Codacy detected an issue:

Message: Return value of function freopen() is not used.

Occurred on:

• Commit: f9ca098
• File: [Winnie-the-Pooh and honey.cpp](https://github.com/7elmie/CodeForces/blob/f9ca098bcead878e0683ed19913ab69587b43881/Winnie-the-Pooh and honey.cpp)
• LineNum: [6](https://github.com/7elmie/CodeForces/blob/f9ca098bcead878e0683ed19913ab69587b43881/Winnie-the-Pooh and honey.cpp#L6)
• Code: freopen("output.txt", "w", stdout);

Currently on:

• Commit: 9a6a6a0
• File: [Winnie-the-Pooh and honey.cpp](https://github.com/7elmie/CodeForces/blob/9a6a6a059837e89f9bdbe208bc7b6bfead9243c1/Winnie-the-Pooh and honey.cpp)
• LineNum: [6](https://github.com/7elmie/CodeForces/blob/9a6a6a059837e89f9bdbe208bc7b6bfead9243c1/Winnie-the-Pooh and honey.cpp#L6)