Compilare: user.cpp: In function ‘int main()’: user.cpp:31:20: warning: unused variable ‘muchii’ [-Wunused-variable] int i,n,m,x,cx,muchii=0,y,cost,tx,ty,j; ^ user.cpp:31:29: warning: unused variable ‘y’ [-Wunused-variable] int i,n,m,x,cx,muchii=0,y,cost,tx,ty,j; ^ user.cpp:31:31: warning: unused variable ‘cost’ [-Wunused-variable] int i,n,m,x,cx,muchii=0,y,cost,tx,ty,j; ^ user.cpp:33:9: warning: unused variable ‘w’ [-Wunused-variable] int w=0,k=0; ^ user.cpp:33:13: warning: unused variable ‘k’ [-Wunused-variable] int w=0,k=0; ^