Compilare: main.cpp: In function 'void dfs(int)': main.cpp:36:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i = 0; i < g[node].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra()': main.cpp:61:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i = 0; i < g[currnode].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~