foo.cc: In function 'int main()':
foo.cc:21:10: error: expected unqualified-id before numeric constant
   21 |  for(int 0;i<N;i++)
      |          ^
foo.cc:21:9: error: expected ';' before numeric constant
   21 |  for(int 0;i<N;i++)
      |         ^~
      |         ;
foo.cc:21:12: error: 'i' was not declared in this scope
   21 |  for(int 0;i<N;i++)
      |            ^
foo.cc:21:15: error: expected ')' before ';' token
   21 |  for(int 0;i<N;i++)
      |     ~         ^
foo.cc:21:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   21 |  for(int 0;i<N;i++)
      |  ^~~
foo.cc:21:16: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   21 |  for(int 0;i<N;i++)
      |                ^
foo.cc:21:16: error: 'i' was not declared in this scope

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