Compilare: user.cpp: In function ‘int main()’: user.cpp:28:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fact.in","r",stdin); ^ user.cpp:29:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fact.out","w",stdout); ^ user.cpp:31:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp: In function ‘int bs(int, int, int)’: user.cpp:24:8: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^ user.cpp: In function ‘int main()’: user.cpp:7:14: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(numitor<=n){ ^ user.cpp:14:9: note: ‘last’ was declared here int med,last; ^