Compilare: user.cpp: In function ‘int main()’: user.cpp:11:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:62:30: warning: ‘x2’ may be used uninitialized in this function [-Wmaybe-uninitialized] so<<minn<<'\n'<<x1<<' '<<x2<<'\n'; ^ user.cpp:62:21: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] so<<minn<<'\n'<<x1<<' '<<x2<<'\n'; ^ user.cpp:51:5: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=2;i<poz2;++i) ^ user.cpp:30:5: warning: ‘poz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=n-1;i>poz1;--i) ^