运行 ID: 129515

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:2:44: error: ‘cin’ was not declared in this scope
 using namespace std; int main() { int a,b; cin>>a>>b; if(a==1&&b==1){ cout<<"a=b"; } if(a==1&&b==2){ cout<<"ab"; } }
                                            ^~~
Main.cc:2:44: note: suggested alternative: ‘main’
 using namespace std; int main() { int a,b; cin>>a>>b; if(a==1&&b==1){ cout<<"a=b"; } if(a==1&&b==2){ cout<<"ab"; } }
                                            ^~~
                                            main
Main.cc:2:71: error: ‘cout’ was not declared in this scope
 using namespace std; int main() { int a,b; cin>>a>>b; if(a==1&&b==1){ cout<<"a=b"; } if(a==1&&b==2){ cout<<"ab"; } }
                                                                       ^~~~
Main.cc:2:102: error: ‘cout’ was not declared in this scope
 using namespace std; int main() { int a,b; cin>>a>>b; if(a==1&&b==1){ cout<<"a=b"; } if(a==1&&b==2){ cout<<"ab"; } }
                                                                                                      ^~~~
Main.cc:2:133: error: ‘cout’ was not declared in this scope
 using namespace std; int main() { int a,b; cin>>a>>b; if(a==1&&b==1){ cout<<"a=b"; } if(a==1&&b==2){ cout<<"ab"; } }
                                                                                                                                     ^~~~