Compilare: main.cpp: In function 'int main()': main.cpp:40:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if(unde[ind]<gr[ind].size()) | ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:53:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | if(edges==0 or unde[ind]==gr[ind].size()) | ~~~~~~~~~^~~~~~~~~~~~~~~~