/in/foo.cc:1:20: error: stray '@' in program
  miaojie4321 LV 6  @ 5月前
                    ^
/in/foo.cc:1:23: error: stray '\346' in program
  miaojie4321 LV 6  @ 5月前
                       ^
/in/foo.cc:1:24: error: stray '\234' in program
  miaojie4321 LV 6  @ 5月前
                        ^
/in/foo.cc:1:25: error: stray '\210' in program
  miaojie4321 LV 6  @ 5月前
                         ^
/in/foo.cc:1:26: error: stray '\345' in program
  miaojie4321 LV 6  @ 5月前
                          ^
/in/foo.cc:1:27: error: stray '\211' in program
  miaojie4321 LV 6  @ 5月前
                           ^
/in/foo.cc:1:28: error: stray '\215' in program
  miaojie4321 LV 6  @ 5月前
                            ^
/in/foo.cc:1:2: error: 'miaojie4321' does not name a type
  miaojie4321 LV 6  @ 5月前
  ^~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:20: error: 'scanf' was not declared in this scope
 scanf("%d %d",&n,&x);
                    ^
/in/foo.cc:17:14: error: 'printf' was not declared in this scope
 printf("%d",k);
              ^