Which of the following statement is correct about the program given below? #include<iostream.h> int main() { int x = 10, y = 20; int *ptr = &x; int &ref = y; *ptr++; ref++; cout<< x << " " << y; return 0; }

• The program will print the output 10 20.
• The program will print the output 10 21.
• The program will print the output 11 20.
• The program will print the output 11 21.
• It will result in a compile time error.