foo.cc: In function 'int main()':
foo.cc:8:14: error: expected ';' before 'for'
    8 |     cin>>m>>n
      |              ^
      |              ;
    9 |     for(int q=1;q<=t;q++)
      |     ~~~       
foo.cc:9:17: error: 'q' was not declared in this scope
    9 |     for(int q=1;q<=t;q++)
      |                 ^

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