Compilare: user.cpp: In function ‘void f_only_1(int, int)’: user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:283:3: note: in expansion of macro ‘re’ re (i, l - 1) ^ user.cpp: In function ‘int solve()’: user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:391:3: note: in expansion of macro ‘re’ re (i, N) { ^ user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:400:3: note: in expansion of macro ‘re’ re (i, N) { ^ user.cpp:144:65: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:415:3: note: in expansion of macro ‘re’ re (i, S.length()) { ^ user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:415:3: note: in expansion of macro ‘re’ re (i, S.length()) { ^ user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:425:3: note: in expansion of macro ‘re’ re (i, N) ^ user.cpp: In function ‘int main()’: user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:441:3: note: in expansion of macro ‘re’ re (i, N) ^ user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:446:5: note: in expansion of macro ‘re’ re (i, N)