Compilare: user.cpp: In function ‘void PartI()’: user.cpp:96:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < nepar.size(); ++j) ^ user.cpp: In function ‘void PartII()’: user.cpp:109:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < par.size()&& Gr>par[j].y; ++j) ^ user.cpp:114:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j<par.size()) ^