Recall & Review
beginner
What is the first step when inserting an element in the middle of an array?
Find the middle index where the new element will be inserted.
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beginner
Why do we need to shift elements when inserting in the middle of an array?
To make space for the new element, all elements from the middle index to the end must be moved one position to the right.
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intermediate
In C, what must you be careful about when inserting into an array?
Ensure the array has enough space to hold the new element to avoid overwriting memory.
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intermediate
What happens if you insert an element at the middle index of an array with an even number of elements?
The new element is inserted at the index equal to the size divided by 2, shifting elements from that index onwards.
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beginner
How do you calculate the middle index for insertion in an array of size n?
Middle index = n / 2 (integer division).
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What is the middle index of an array with 7 elements for insertion?
✗ Incorrect
Middle index = 7 / 2 = 3 (integer division).
What must you do before inserting an element in the middle of an array?
✗ Incorrect
Elements from the middle index to the end must be shifted right to make space.
If an array has size 6, at which index will the new element be inserted in the middle?
✗ Incorrect
Middle index = 6 / 2 = 3.
What is a risk when inserting into a fixed-size array in C without checking capacity?
✗ Incorrect
Inserting without space can overwrite memory causing errors.
Which operation is NOT needed when inserting an element in the middle of an array?
✗ Incorrect
Sorting is not required for insertion at middle index.
Explain the steps to insert an element at the middle index of an array in C.
Think about making space and placing the new element.
You got /4 concepts.
What challenges might you face when inserting in the middle of a fixed-size array and how can you handle them?
Consider memory and size limits.
You got /4 concepts.
