Compilare: user.cpp:122:2: warning: no newline at end of file user.cpp: In function 'std::vector<int, std::allocator<int> > getSol(int)': user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void doit()': user.cpp:91: warning: comparison between signed and unsigned integer expressions user.cpp:92: warning: comparison between signed and unsigned integer expressions user.cpp:103: warning: comparison between signed and unsigned integer expressions user.cpp:114: warning: comparison between signed and unsigned integer expressions user.cpp:85: warning: 'best' may be used uninitialized in this function