In c++

1) int *number; cout << number << endl;

2) double *realPtr;

long *integerPtr;

interPtr = realPtr;

3) int*x, y; x = y;

4) char s[] = this is a character array; for( ; *s != \0; ++s) cout << *s << ;

5) double x = 19.34; double xPtr = &x; cout <

Finds the error and write the reason