Compilare: main.cpp: In function 'void citire()': main.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (j=0; j<G[x].size() && G[x][j]!=y; j++); | ~^~~~~~~~~~~~ main.cpp:31:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | if (j==G[x].size()) | ~^~~~~~~~~~~~~ main.cpp: In function 'void sortaret()': main.cpp:48:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (j=0; j<G[i].size(); j++) | ~^~~~~~~~~~~~