Compilare: user.cpp: In function ‘int main()’: user.cpp:9:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("buline.in","r",stdin); ^ user.cpp:10:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("buline.out","w",stdout); ^ user.cpp:12:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:15:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&v[i],&semn); ^ user.cpp:62:41: warning: ‘sfmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d %d\n",smax2,(sfmin+1)%n,n-(sfmin-imin+1)); ^ user.cpp:62:55: warning: ‘imin’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d %d\n",smax2,(sfmin+1)%n,n-(sfmin-imin+1)); ^