/in/foo.cc: In function 'int main()':
/in/foo.cc:33:3: error: expected ';' before 'for'
   for(int i=1;i<=m;i++)
   ^~~
/in/foo.cc:33:16: warning: statement has no effect [-Wunused-value]
   for(int i=1;i<=m;i++)
               ~^~~
/in/foo.cc:33:23: error: expected ';' before ')' token
   for(int i=1;i<=m;i++)
                       ^