Main.cc: In function 'int main()':
Main.cc:5:5: error: expected ',' or ';' before 'int'
int n;
^
Main.cc:6:10: error: 'n' was not declared in this scope
cin>>n;
^
Main.cc:8:17: error: 'p' was not declared in this scope
int t=3;p;
^