运行 ID: 128678

Main.cc:1:1: error: ‘include’ does not name a type; did you mean ‘__has_include’?
 include 
 ^~~~~~~
 __has_include
Main.cc: In function ‘int main()’:
Main.cc:7:1: error: ‘cin’ was not declared in this scope
 cin>>n;
 ^~~
Main.cc:7:1: note: suggested alternative: ‘main’
 cin>>n;
 ^~~
 main
Main.cc:11:10: error: ‘cout’ was not declared in this scope
     i==n?cout<