foo.cc:23:5: error: expected initializer before 't'
   23 |     t=read();
      |     ^
foo.cc:24:5: error: expected unqualified-id before 'while'
   24 |     while(t--)
      |     ^~~~~
foo.cc:42:9: error: expected unqualified-id before 'return'
   42 |         return 0;
      |         ^~~~~~
foo.cc:43:1: error: expected declaration before '}' token
   43 | }
      | ^

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