Run id: 79577

Main.cc:17:2: error: expected unqualified-id before 'for'
  for(int i=2;i<=n;i++){
  ^
Main.cc:17:14: error: 'i' does not name a type
  for(int i=2;i<=n;i++){
              ^
Main.cc:17:19: error: 'i' does not name a type
  for(int i=2;i<=n;i++){
                   ^
Main.cc:22:1: error: expected declaration before '}' token
 }
 ^