Eroare de compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:36:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graf[x].size();i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:13: error: 'a' was not declared in this scope a[j].push_back(make_pair(pred[j],dist(j,pred[j]))); ^ main.cpp:63:60: error: 'dist' was not declared in this scope a[j].push_back(make_pair(pred[j],dist(j,pred[j]))); ^ main.cpp:71:12: error: 'a' was not declared in this scope a[i].push_back(j,dist(i,j)); ^ main.cpp:71:37: error: 'dist' was not declared in this scope a[i].push_back(j,dist(i,j)); ^ main.cpp:76:18: error: too few arguments to function 'void dijkstra(int)' dijkstra(); ^ main.cpp:19:6: note: declared here void dijkstra(int start) ^~~~~~~~ Non zero exit status: 1