View Compilation Error

0_0_39049412_18767.cpp: In function 'int main()':
0_0_39049412_18767.cpp:5:24: error: 'nn' was not declared in this scope; did you mean 'nan'?
    5 |         for(int i=1;i<=nn;i++) cout<<n<<endl;
      |                        ^~
      |                        nan