Compilare: user.cpp: In function ‘void parc(int)’: user.cpp:31:59: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0, j = nr % cycle.size(); i < cycle.size(); ++ i, j = ((j + 1 == cycle.size()) ? 0 : j + 1)) ^ user.cpp:31:94: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0, j = nr % cycle.size(); i < cycle.size(); ++ i, j = ((j + 1 == cycle.size()) ? 0 : j + 1)) ^