code.cpp: In function 'int main()':
code.cpp:39:54: error: 'ekhtelaf' was not declared in this scope
   39 |         if ( i != andis1 && (arr[andis1] - arr[i]) > ekhtelaf )
      |                                                      ^~~~~~~~
code.cpp:48:28: error: 'ekhtelaf' was not declared in this scope
   48 |         if ( arr[andis1] - ekhtelaf == arr[i] )
      |                            ^~~~~~~~
code.cpp:50:13: error: 'andis2' was not declared in this scope; did you mean 'andis1'?
   50 |             andis2 = i;
      |             ^~~~~~
      |             andis1