C Programming - Const - Discussion

Discussion Forum : Const - Point Out Errors (Q.No. 6)

Const

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;
}

Error: RValue required

Error: Lvalue required

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

No error

Answer: Option

Explanation:

No error. This will produce 7 as output.

Discussion:

5 comments Page 1 of 1.

Reddy priya said: 9 years ago

I think it does not produce error it's just a warning and the output is 7.

Rashi said: 9 years ago

I have also tried this one in dev C++. It will give error. But how do we know where we have to run this program. It must have to mention over there.

Akash said: 10 years ago

I have also same output, it will give error.

[Error] invalid conversion from 'const int*' to 'int*' [-f permissive].

Mohammad Mohsin said: 10 years ago

Given program will produce output like [Error] invalid conversion from 'const int*' to 'int*' in Dev CPP.

Mohini said: 1 decade ago

thats ok,as we are not changing the value of k

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