运行 ID: 128773

Main.cc:1:2: error: stray ‘#’ in program
 3#include  
  ^
Main.cc:1:1: error: expected unqualified-id before numeric constant
 3#include  
 ^
Main.cc: In function ‘int main()’:
Main.cc:5:2: error: ‘cin’ was not declared in this scope
  cin>>a>>b>>c;
  ^~~
Main.cc:5:2: note: suggested alternative: ‘main’
  cin>>a>>b>>c;
  ^~~
  main
Main.cc:11:2: error: ‘cout’ was not declared in this scope
  cout<