Compilare: user.cpp: In function ‘int main()’: user.cpp:39:9: warning: unused variable ‘sumaij’ [-Wunused-variable] int sumaij=INF; ^ user.cpp:59:9: warning: unused variable ‘ff_cost’ [-Wunused-variable] int ff_cost=0; ^ user.cpp:61:9: warning: unused variable ‘t_cost’ [-Wunused-variable] int t_cost=0; ^ user.cpp:86:26: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<ii<<" "<<jj<<" "<<kk<<"\n"; ^ user.cpp:86:17: warning: ‘jj’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<ii<<" "<<jj<<" "<<kk<<"\n"; ^ user.cpp:86:8: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<ii<<" "<<jj<<" "<<kk<<"\n"; ^