Compilare: main.cpp: In function 'void dijkstra(int, int)': main.cpp:36:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for ( int i = 0; i < g[node].size(); i++ ) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:60:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for ( int i = 0; i < g[node].size(); i++ ) { | ~~^~~~~~~~~~~~~~~~