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References - Programming

Q1:

Which of the following statement is correct about the program given below? 
#include<iostream.h> 
int main()
{
    int x = 80; 
    int &y = x;
    x++;
    cout << x << ' ' << --y;
    return 0;
}

A The program will print the output 80 80.

B The program will print the output 81 80.

C The program will print the output 81 81.

D It will result in a compile time error.

ANS:A - The program will print the output 80 80.

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