Compilare: user.cpp: In function ‘void dijkstra(long unsigned int, long long unsigned int*, long unsigned int*)’: user.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<a[x].size();++i) ^ user.cpp:33:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(!uz[a[x][i].nod]&&a[x][i].nod!=A&&a[x][i].nod!=B&&a[x][i].nod!=C) ^ user.cpp:33:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(!uz[a[x][i].nod]&&a[x][i].nod!=A&&a[x][i].nod!=B&&a[x][i].nod!=C) ^ user.cpp:33:71: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(!uz[a[x][i].nod]&&a[x][i].nod!=A&&a[x][i].nod!=B&&a[x][i].nod!=C) ^ user.cpp: In function ‘int main()’: user.cpp:67:30: warning: narrowing conversion of ‘y’ from ‘long unsigned int’ to ‘long int’ inside { } [-Wnarrowing] a[x].push_back((muchie){y,z}); ^ user.cpp:68:30: warning: narrowing conversion of ‘x’ from ‘long unsigned int’ to ‘long int’ inside { } [-Wnarrowing] a[y].push_back((muchie){x,z}); ^