/in/foo.cc:8:23: error: stray '\357' in program
  }for(int i=1;i<=n;i++）{
                       ^
/in/foo.cc:8:24: error: stray '\274' in program
  }for(int i=1;i<=n;i++）{
                        ^
/in/foo.cc:8:25: error: stray '\211' in program
  }for(int i=1;i<=n;i++）{
                         ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:4:15: error: expected unqualified-id before ',' token
  int n,a[101],,nowsum=1,sum[9999],o;
               ^
/in/foo.cc:8:26: error: expected ')' before '{' token
  }for(int i=1;i<=n;i++）{
                          ^