Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:20:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,min,k,ok; ^ user.cpp:21:27: warning: variable ‘tata’ set but not used [-Wunused-but-set-variable] int viz[NMAX],d[NMAX],tata[NMAX]; ^ user.cpp: In function ‘int main()’: user.cpp:56:9: warning: unused variable ‘x’ [-Wunused-variable] int x,y,i,min,elemax,minimf; ^ user.cpp:56:11: warning: unused variable ‘y’ [-Wunused-variable] int x,y,i,min,elemax,minimf; ^ user.cpp:56:15: warning: unused variable ‘min’ [-Wunused-variable] int x,y,i,min,elemax,minimf; ^ user.cpp:56:26: warning: unused variable ‘minimf’ [-Wunused-variable] int x,y,i,min,elemax,minimf; ^