foo.cc:6:8: error: expected ':' before ';' token
    6 | private;
      |        ^
      |        :
foo.cc:7:6: error: expected ';' at end of member declaration
    7 |  int date10];
      |      ^~~~~~
      |            ;
foo.cc:7:12: error: expected unqualified-id before ']' token
    7 |  int date10];
      |            ^
foo.cc:43:2: error: 'void IntArray::p()' conflicts with a previous declaration
   43 |  }
      |  ^
foo.cc:9:6: note: previous declaration 'int IntArray::p'
    9 |  int p=0;
      |      ^
foo.cc: In constructor 'IntArray::IntArray(int*, int)':
foo.cc:15:4: error: 'date' was not declared in this scope; did you mean 'date10'?
   15 |    date[i] = a[i];
      |    ^~~~
      |    date10
foo.cc: In member function 'int IntArray::BinSearch2(int, int, int)':
foo.cc:23:6: error: 'date' was not declared in this scope; did you mean 'date10'?
   23 |   if(date[mid] == x)
      |      ^~~~
      |      date10
foo.cc:28:6: error: 'date' was not declared in this scope; did you mean 'date10'?
   28 |   if(date[mid] > x)
      |      ^~~~
      |      date10
foo.cc:33:6: error: 'date' was not declared in this scope; did you mean 'date10'?
   33 |   if(date[mid] < x)
      |      ^~~~
      |      date10
foo.cc: In function 'int main()':
foo.cc:64:5: error: 'class IntArray' has no member named 'P'
   64 |   A.P();
      |     ^
foo.cc:63:7: warning: unused variable 'k1' [-Wunused-variable]
   63 |   int k1 = A.BinSearch2(0, n-1, x);
      |       ^~
foo.cc: In member function 'int IntArray::BinSearch2(int, int, int)':
foo.cc:22:7: warning: control reaches end of non-void function [-Wreturn-type]
   22 |   int mid = (left + right)/2;
      |       ^~~

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