foo.cc:1:1: error: stray '\345' in program
 很简单，推理一下就行
 ^
foo.cc:1:2: error: stray '\276' in program
 很简单，推理一下就行
  ^
foo.cc:1:3: error: stray '\210' in program
 很简单，推理一下就行
   ^
foo.cc:1:4: error: stray '\347' in program
 很简单，推理一下就行
    ^
foo.cc:1:5: error: stray '\256' in program
 很简单，推理一下就行
     ^
foo.cc:1:6: error: stray '\200' in program
 很简单，推理一下就行
      ^
foo.cc:1:7: error: stray '\345' in program
 很简单，推理一下就行
       ^
foo.cc:1:8: error: stray '\215' in program
 很简单，推理一下就行
        ^
foo.cc:1:9: error: stray '\225' in program
 很简单，推理一下就行
         ^
foo.cc:1:10: error: stray '\357' in program
 很简单，推理一下就行
          ^
foo.cc:1:11: error: stray '\274' in program
 很简单，推理一下就行
           ^
foo.cc:1:12: error: stray '\214' in program
 很简单，推理一下就行
            ^
foo.cc:1:13: error: stray '\346' in program
 很简单，推理一下就行
             ^
foo.cc:1:14: error: stray '\216' in program
 很简单，推理一下就行
              ^
foo.cc:1:15: error: stray '\250' in program
 很简单，推理一下就行
               ^
foo.cc:1:16: error: stray '\347' in program
 很简单，推理一下就行
                ^
foo.cc:1:17: error: stray '\220' in program
 很简单，推理一下就行
                 ^
foo.cc:1:18: error: stray '\206' in program
 很简单，推理一下就行
                  ^
foo.cc:1:19: error: stray '\344' in program
 很简单，推理一下就行
                   ^
foo.cc:1:20: error: stray '\270' in program
 很简单，推理一下就行
                    ^
foo.cc:1:21: error: stray '\200' in program
 很简单，推理一下就行
                     ^
foo.cc:1:22: error: stray '\344' in program
 很简单，推理一下就行
                      ^
foo.cc:1:23: error: stray '\270' in program
 很简单，推理一下就行
                       ^
foo.cc:1:24: error: stray '\213' in program
 很简单，推理一下就行
                        ^
foo.cc:1:25: error: stray '\345' in program
 很简单，推理一下就行
                         ^
foo.cc:1:26: error: stray '\260' in program
 很简单，推理一下就行
                          ^
foo.cc:1:27: error: stray '\261' in program
 很简单，推理一下就行
                           ^
foo.cc:1:28: error: stray '\350' in program
 很简单，推理一下就行
                            ^
foo.cc:1:29: error: stray '\241' in program
 很简单，推理一下就行
                             ^
foo.cc:1:30: error: stray '\214' in program
 很简单，推理一下就行
                              ^
foo.cc: In function 'int main()':
foo.cc:9:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n;scanf("%d",&n);
        ~~~~~^~~~~~~~~

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。