运行 ID: 2511

Main.cc: In function ‘int main()’:
Main.cc:16:1: error: expected ‘;’ before ‘}’ token
 }
 ^
Main.cc:5:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&a);
     ~~~~~^~~~~~~~~
Main.cc:7:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&fen[b]);
         ~~~~~^~~~~~~~~~~~~~