Compilare: user.cpp: In function ‘int main()’: user.cpp:13:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d",&n); ^ user.cpp:15:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=1;i<=n;++i) fscanf (f,"%d",&v[i]); ^ user.cpp:26:35: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] Alice+=v[poz]; st=poz-1; dr=poz+1; ^