Compilare: main.cpp: In function 'int main()': main.cpp:56:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 56 | if(conex[i].size() > maxi) | ~~~~~~~~~~~~~~~~^~~~~~ main.cpp:108:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i = 0; i < sol.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:92:24: warning: 'node2' may be used uninitialized in this function [-Wmaybe-uninitialized] 92 | grad[node2]++; | ~~~~~~~~~~~^~ main.cpp:91:24: warning: 'node1' may be used uninitialized in this function [-Wmaybe-uninitialized] 91 | grad[node1]++; | ~~~~~~~~~~~^~