/in/foo.cc:12:3: error: expected unqualified-id before 'for'
   12 |   for(int i=0;i<N-1;++i)
      |   ^~~
/in/foo.cc:12:15: error: 'i' does not name a type
   12 |   for(int i=0;i<N-1;++i)
      |               ^
/in/foo.cc:12:21: error: expected unqualified-id before '++' token
   12 |   for(int i=0;i<N-1;++i)
      |                     ^~
/in/foo.cc:22:1: error: expected unqualified-id before 'for'
   22 | for(int i=0;i<N;i++){
      | ^~~
/in/foo.cc:22:13: error: 'i' does not name a type
   22 | for(int i=0;i<N;i++){
      |             ^
/in/foo.cc:22:17: error: 'i' does not name a type
   22 | for(int i=0;i<N;i++){
      |                 ^