Eroare de compilare: user.cpp:9: warning: integer overflow in expression user.cpp:11: error: overflow in constant expression user.cpp:11: error: overflow in array dimension user.cpp: In function ‘void solve()’: user.cpp:46: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:52: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:53: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result