Compilare: main.cpp: In function 'int main()': main.cpp:63:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i = 0; i < graph[current_sat].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:39:9: warning: variable 'parent' set but not used [-Wunused-but-set-variable] 39 | int parent[num_sats + 1]; | ^~~~~~