Compilare: user.cpp: In function ‘int main()’: user.cpp:17:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,y,c; ^ user.cpp:36:14: warning: variable ‘unde’ set but not used [-Wunused-but-set-variable] int nod, unde, cost; ^ user.cpp:36:20: warning: variable ‘cost’ set but not used [-Wunused-but-set-variable] int nod, unde, cost; ^ user.cpp:64:30: warning: array subscript is above array bounds [-Warray-bounds] if(dist[i]!=dist[nmax]) ^