Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:32:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < edges[node].size(); ++i ) { ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void djakstra(int, int, int)': main.cpp:44:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < edges[node].size(); ++i ) { ~~^~~~~~~~~~~~~~~~~~~~