Compilare: user.cpp:98:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:49: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void BF()': user.cpp:68: warning: comparison between signed and unsigned integer expressions user.cpp:60: warning: unused variable 'i' user.cpp:60: warning: unused variable 'j' user.cpp: In function 'void Solve(int)': user.cpp:86: warning: comparison between signed and unsigned integer expressions