Owl Get a Life

Compile Error

platonic.cpp: In function ‘int main()’:
platonic.cpp:7:10: error: ‘n’ was not declared in this scope; did you mean ‘yn’?
7 | int arr[n];
| ^
| yn
platonic.cpp:9:10: error: ‘arr’ was not declared in this scope
9 | cin >> arr[i];
| ^~~
platonic.cpp:11:7: error: ‘arr’ was not declared in this scope
11 | sort(arr+0,arr+nika);
| ^~~