foo.cc: In function ‘int main()’:
foo.cc:12:2: error: expected ‘}’ at end of input
   12 | }
      |  ^
foo.cc:6:30: note: to match this ‘{’
    6 |         for(int i=1;i<=n;i++){
      |                              ^
foo.cc:12:2: error: expected ‘}’ at end of input
   12 | }
      |  ^
foo.cc:4:11: note: to match this ‘{’
    4 | int main(){
      |           ^