foo.c: In function 'main':
foo.c:7:13: error: expected ';' before ')' token
    7 |  for(m=1,m++)
      |             ^
      |             ;
foo.c:7:13: error: expected expression before ')' token
foo.c:8:9: warning: right-hand operand of comma expression has no effect [-Wunused-value]
    8 |  for(n=1,n<m,n++)
      |         ^
foo.c:8:17: error: expected ';' before ')' token
    8 |  for(n=1,n<m,n++)
      |                 ^
      |                 ;
foo.c:8:17: error: expected expression before ')' token
foo.c:17:11: error: expected expression before '/' token
   17 |  return 0;/
      |           ^
foo.c:9:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d%d",&m,&n);
      |  ^~~~~~~~~~~~~~~~~~~

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