Main.cc:1:1: error: ‘include’ does not name a type; did you mean ‘__has_include’? include ^~~~~~~ __has_include Main.cc: In function ‘int main()’: Main.cc:6:2: error: ‘scanf’ was not declared in this scope scanf("%d%*c",&t); ^~~~~ Main.cc:8:3: error: ‘gets’ was not declared in this scope gets(a); ^~~~ Main.cc:18:3: error: ‘puts’ was not declared in this scope puts(a); ^~~~ Main.cc:18:3: note: suggested alternative: ‘auto’ puts(a); ^~~~ auto