Eroare de compilare: main.c:3:1: error: unknown type name 'using' using namespace std; ^~~~~ main.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std' using namespace std; ^~~ main.c: In function 'main': main.c:10:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("zaruri.in","r",stdin); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:11:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("zaruri.out","w",stdout); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^~~~~~~~~~~~~~ Non zero exit status: 1