运行 ID: 26078

Main.cc: In function ‘int main()’:
Main.cc:6:7: error: ‘n’ was not declared in this scope
  cin>>n;
       ^
Main.cc:7:6: error: ‘itn’ was not declared in this scope
  for(itn i=1;i<=n;i++){
      ^~~
Main.cc:7:14: error: ‘i’ was not declared in this scope
  for(itn i=1;i<=n;i++){
              ^