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Const - Programming

Q1:

Point out the error in the program. 
#include<stdio.h>

int main()
{
    const int k=7;
    int *const q=&k;
    printf('%d', *q);
    return 0;
}

A Error: RValue required

B Error: Lvalue required

C Error: cannot convert from 'const int *' to 'int *const'

D No error

ANS:A - Error: RValue required

No error. This will produce 7 as output.