Compilare: user.cpp: In function ‘int coborare(int, int)’: user.cpp:53:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void Dijkstra(int)’: user.cpp:77:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[nod].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:106:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d %d %d %d " ,&n,&m,&A,&B,&C); ^ user.cpp:108:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d %d " ,&a,&b,&c); ^ user.cpp:132:21: warning: ‘nod’ may be used uninitialized in this function [-Wmaybe-uninitialized] print_road(C,nod); ^