Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:47:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<coord1>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int j=0;j<v[nod].size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra()': main.cpp:79:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<coord1>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:77:13: warning: unused variable 'dist' [-Wunused-variable] 77 | int dist = q.top().dist; | ^~~~