Main.cc:2:1: error: 'cin' does not name a type cin>>n; ^ Main.cc:3:1: error: expected unqualified-id before 'for' for(int x=0;x<=n;x++){ ^ Main.cc:3:13: error: 'x' does not name a type for(int x=0;x<=n;x++){ ^ Main.cc:3:18: error: 'x' does not name a type for(int x=0;x<=n;x++){ ^ Main.cc:14:1: error: expected unqualified-id before 'if' if(a==0){ ^