Compilare: user.cpp: In function ‘void Insert(cod)’: user.cpp:71:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < w.size(); ++i) ^ user.cpp: In function ‘void Solve()’: user.cpp:99:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (coloana < v[i].size()) ^ user.cpp:107:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < w.size(); ++i) ^ user.cpp:115:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < w.size(); ++j) ^ user.cpp:125:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0;j < pozitii.size();j++) ^ user.cpp: In function ‘void Write()’: user.cpp:137:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < nrCandidatiPeJudet.size(); ++i) ^ user.cpp:142:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < w.size(); ++i) ^