Compilare: user.cpp: In function ‘void solve()’: user.cpp:21:16: warning: unused variable ‘poz’ [-Wunused-variable] int i,j,mn,poz,mina=1000001,pozm,s,p; ^ user.cpp:21:20: warning: unused variable ‘mina’ [-Wunused-variable] int i,j,mn,poz,mina=1000001,pozm,s,p; ^ user.cpp:21:33: warning: unused variable ‘pozm’ [-Wunused-variable] int i,j,mn,poz,mina=1000001,pozm,s,p; ^ user.cpp:37:8: warning: ‘mn’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<mn<<'\n'; ^ user.cpp:34:33: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] else l[i]=1+l[p],bf[i]=p; ^