Compilare: user.cpp: In function ‘int cb2(int)’: user.cpp:38:9: warning: variable ‘poz’ set but not used [-Wunused-but-set-variable] int poz,st=1,dr=n; ^ user.cpp:48:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int cb1(int)’: user.cpp:35:12: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^ user.cpp: In function ‘void solve()’: user.cpp:63:24: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<cb1(x)<<'\n'; ^