Compilare: user.cpp: In function ‘int main()’: user.cpp:6:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.in","r",stdin); ^ user.cpp:7:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.out","w",stdout); ^ user.cpp:10:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a); ^ user.cpp:27:32: warning: ‘sols’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<max<<" "<<soli<<" "<<sols; ^ user.cpp:27:17: warning: ‘soli’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<max<<" "<<soli<<" "<<sols; ^