Compilare: user.cpp: In function ‘bset get_adj(const bset&)’: user.cpp:91:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:121:3: note: in expansion of macro ‘re’ re (i, N) ^ user.cpp: In function ‘eset get_e(const bset&)’: user.cpp:91:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:129:3: note: in expansion of macro ‘re’ re (i, N) ^ user.cpp: In function ‘bool is_sol(const bset&)’: user.cpp:137:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] return res.count() == N; ^ user.cpp: In function ‘void bounded(bset, bset, eset)’: user.cpp:148:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (covered.count() == M) { // covers every node = MVC ^ user.cpp:91:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:164:3: note: in expansion of macro ‘re’ re (i, N) { ^ user.cpp: In function ‘int main()’: user.cpp:91:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:215:3: note: in expansion of macro ‘re’ re (i, N) ^ user.cpp:91:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:218:3: note: in expansion of macro ‘re’ re (i, N) ^ user.cpp:91:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:226:3: note: in expansion of macro ‘re’ re (i, N) ^