Compilare: main.cpp: In function 'void blmf(double)': main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(auto i=0;i<adj[fst].size();i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, double> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(auto i=0;i<adj.size();i++) | ~^~~~~~~~~~~ main.cpp:56:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(auto j=0;j<adj[i].size();j++) | ~^~~~~~~~~~~~~~