Compilare: main.cpp: In function 'int main()': main.cpp:41:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int i=0; i<edges[currentNode].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:28:9: warning: unused variable 'sourceNode' [-Wunused-variable] 28 | int sourceNode = 1, currentNode; | ^~~~~~~~~~