Compilare: main.cpp: In function 'bool cmp(elem, elem)': main.cpp:16:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 16 | return x.e<y.e||x.e==y.e&&x.cost<y.cost; | ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void bfs()': main.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int i=0;i<edges[k].size();i++) | ~^~~~~~~~~~~~~~~~