Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:34:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for( int i = 0; i < v[nod].size(); i++ ){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int dfs(int, int)': main.cpp:58:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for( int i = 0; i < v[nod].size(); i++ ){ | ~~^~~~~~~~~~~~~~~