foo.cc: In constructor 'Intarray::Intarray(int*, int)':
foo.cc:13:9: error: expected primary-expression before '<' token
   13 |    this-<n=n;
      |         ^
foo.cc: In function 'int main()':
foo.cc:54:9: error: 'K' was not declared in this scope
   54 |   cout<<K<<endl;
      |         ^
foo.cc:53:7: warning: unused variable 'k' [-Wunused-variable]
   53 |   int k=A.BinSearch(x);
      |       ^

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