foo.cc:8:10: error: stray '\357' in program
  return 0；
          ^
foo.cc:8:11: error: stray '\274' in program
  return 0；
           ^
foo.cc:8:12: error: stray '\233' in program
  return 0；
            ^
foo.cc: In function 'int main()':
foo.cc:7:2: error: 'cot' was not declared in this scope
  cot<<12;
  ^~~
foo.cc:7:2: note: suggested alternative: 'gcvt'
  cot<<12;
  ^~~
  gcvt
foo.cc:9:1: error: expected ';' before '}' token
 }
 ^

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