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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 arr[] = {1, 2 ,3, 4, 5}; 
    int &zarr = arr;
    for(int i = 0; i <= 4; i++)
    {
        arr[i] += arr[i];
    }
    for(i = 0; i <= 4; i++)
        cout<< zarr[i]; 
    return 0; 
}

A The program will print the output 1 2 3 4 5.

B The program will print the output 2 4 6 8 10.

C The program will print the output 1 1 1 1 1.

D It will result in a compile time error.

ANS:D - It will result in a compile time error.

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