Compilare: main.cpp: In function 'void dijkstra()': main.cpp:23:39: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] 23 | if (!fabs(qcost - cost[node]) <= eps) { | ^~ main.cpp:23:13: note: add parentheses around left hand side expression to silence this warning 23 | if (!fabs(qcost - cost[node]) <= eps) { | ^~~~~~~~~~~~~~~~~~~~~~~~~ | ( ) main.cpp:26:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = 0; i < v[node].size(); ++i) { | ~~^~~~~~~~~~~~~~~~