/in/foo.cc:2:15: error: stray '@' in program
  Claris LV 10 @ 3年前 
               ^
/in/foo.cc:2:18: error: stray '\345' in program
  Claris LV 10 @ 3年前 
                  ^
/in/foo.cc:2:19: error: stray '\271' in program
  Claris LV 10 @ 3年前 
                   ^
/in/foo.cc:2:20: error: stray '\264' in program
  Claris LV 10 @ 3年前 
                    ^
/in/foo.cc:2:21: error: stray '\345' in program
  Claris LV 10 @ 3年前 
                     ^
/in/foo.cc:2:22: error: stray '\211' in program
  Claris LV 10 @ 3年前 
                      ^
/in/foo.cc:2:23: error: stray '\215' in program
  Claris LV 10 @ 3年前 
                       ^
/in/foo.cc:2:2: error: 'Claris' does not name a type
  Claris LV 10 @ 3年前 
  ^~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:12:19: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
 printf("%I64d",ans);
                   ^