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What is the space complexity of an array of size n?

Practice Questions

Q1
What is the space complexity of an array of size n?
  1. O(1)
  2. O(n)
  3. O(log n)
  4. O(n^2)

Questions & Step-by-Step Solutions

What is the space complexity of an array of size n?
  • Step 1: Understand what an array is. An array is a collection of items stored at contiguous memory locations.
  • Step 2: Know that the size of the array is denoted by 'n', which means it can hold 'n' elements.
  • Step 3: Realize that each element in the array takes up a certain amount of space in memory.
  • Step 4: Since there are 'n' elements in the array, the total space required is proportional to 'n'.
  • Step 5: In big O notation, we express this as O(n), which means the space grows linearly with the number of elements.
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