Compilare: main.cpp: In function 'void solve()': main.cpp:81:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for (int i = 0; i < compConexe.size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:82:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int j = 0; j < compConexe[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:77:9: warning: unused variable 'newNodeId' [-Wunused-variable] 77 | int newNodeId = n+1; | ^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:115:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for (int i = 0; i < rez.size(); ++i) { | ~~^~~~~~~~~~~~ main.cpp:117:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 117 | for (int j = 0; j < rez[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~