Compilare: main.cpp: In function 'void dfs(int, int, int)': main.cpp:364:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 364 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:370:33: warning: narrowing conversion of 'edge' from 'double' to 'int' [-Wnarrowing] 370 | comp[nr].push_back({edge,u,nod}); | ^~~~ main.cpp: In function 'double solve(int)': main.cpp:393:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<conex>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 393 | for(int i=0;i<comp[nr].size();i++) | ~^~~~~~~~~~~~~~~~