运行 ID: 308839

Main.cc: In function ‘int main()’:
Main.cc:9:2: error: ‘cout’ was not declared in this scope
  cout<<"Yes";
  ^~~~
Main.cc:12:2: error: ‘cout’ was not declared in this scope
  cout<<"Yes";
  ^~~~
Main.cc:15:2: error: ‘cout’ was not declared in this scope
  cout<<"No";
  ^~~~
Main.cc:5:6: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d", &t);
 ~~~~~^~~~~~~~~~
Main.cc:7:6: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d", &n);
 ~~~~~^~~~~~~~~~