Compilare: main.cpp: In function 'void DFS(int)': 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 | for(i=0;i<adjList[x].size();++i){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(j=0;j<componente_conexe[0].size();++j){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:80:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(j=1;j<componente_conexe[i].size();++j){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:93:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for(i=0;i<muchii.size();++i){ | ~^~~~~~~~~~~~~~