Compilare: user.cpp: In function ‘void divizori(int)’: user.cpp:8:18: warning: unused variable ‘f’ [-Wunused-variable] int i, j, z, f, e, xx, p, qq; ^ user.cpp: In function ‘void solve(int)’: user.cpp:72:30: warning: ‘sv2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ct<<' '<<sv1<<' '<<sv2<<'\n'; ^ user.cpp:72:20: warning: ‘sv1’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ct<<' '<<sv1<<' '<<sv2<<'\n'; ^