Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:50:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i++) ~~^~~~ main.cpp:57:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= m; i++) ~~^~~~ main.cpp:69:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i++) ~~^~~~ main.cpp:79:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i++) ~~^~~~