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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 m = 2, n = 6;
    int &x = m;
    int &y = n;
    m = x++; 
    x = m++;
    n = y++;
    y = n++;
    cout<< m << ' ' << n; 
    return 0; 
}

A The program will print output 2 6.

B The program will print output 3 7.

C The program will print output 4 8.

D The program will print output 5 9.

E The program will print output 6 10.

ANS:C - The program will print output 4 8.

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