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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Given
int arr[3][4][2] =
{
{{2,4},{7,8},{3,4},{5,6}},
{{7,6},{3,4},{5,3},{2,3}},
{{8,9},{7,2},{3,4},{5,1}}
};
Which one of the following can be used to refer to element 1 in the above 3-d array?
Solution
In C language, array indexing starts from $0$.
The element $1$ is present at:
$arr[2][3][1]$
Now,
$arr+2$ points to the third $2$-D block.
$*(arr+2)$ gives $arr[2]$.
$*(arr+2)+3$ points to $arr[2][3]$.
$*(*(arr+2)+3)$ gives $arr[2][3]$.
$*(*(arr+2)+3)+1$ points to $arr[2][3][1]$.
Therefore,
$*(*(*(arr+2)+3)+1)=arr[2][3][1]=1$
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