Discussion :: Arrays
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Which of the following statements are correct about the program below?
#include<stdio.h>
void main()
{
int size, i;
scanf("%d", &size);
int arr[size];
for(i=1; i<=size; i++)
{
scanf("%d", arr[i]);
printf("%d", arr[i]);
}
}
|
A.
The code is erroneous since the statement declaring array is invalid. |
|
B.
The code is erroneous since the subscript for array used in for loop is in the range 1 to size. |
|
C.
The code is correct and runs successfully. |
|
D.
The code is erroneous since the values of array are getting scanned through the loop. |
|
E.
None of these |
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Answer : Option A
Explanation :
The statement int arr[size]; produces an error, because we cannot initialize the size of array dynamically. Constant expression is required here.
Example: int arr[10];
One more point is there, that is, usually declaration is not allowed after calling any function in a current block of code. In the given program the declaration int arr[10]; is placed after a function call scanf().
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