C++ language › Array in C++ › Question #24492
Single Choice Moderate

QWhat is the last index of an array declared as int a[5];?

ID: #24492 Array in C++ 63 views
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#24492Q ID
ModerateDifficulty
Array in C++Topic
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  • A 5 ✔ ✖
  • B 4 ✔ ✖
  • D 6 ✔ ✖
Correct Answer

Explanation

In C++, array indexing starts from 0.

For the array:

int a[5];

  • Total elements = 5

  • Index values = 0, 1, 2, 3, 4

So, the last index is 4, not 5.

Correct Answer: B) 4

Description:
The highest index of an array is always size − 1.

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