foo.cc: In function 'int main()':
foo.cc:6:2: error: expected ',' or ';' before 'for'
    6 |  for(i<=100;i++)
      |  ^~~
foo.cc:6:16: error: expected ';' before ')' token
    6 |  for(i<=100;i++)
      |                ^
      |                ;

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