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What is the output of the following code snippet?
#include <iostream>
using namespace std;
#include <iostream>
using namespace std;
int main() {
int arr[] = {1, 2, 3, 4, 5};
cout << arr[10] << endl;
return 0;
}
int arr[] = {1, 2, 3, 4, 5};
cout << arr[10] << endl;
return 0;
}
- a)1
- b)2
- c)3
- d)Garbage value
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
What is the output of the following code snippet?#include <iostream...
The code declares an integer array 'arr' with 5 elements and initializes them with values 1, 2, 3, 4, and 5. The statement 'cout << arr[10] << endl;' tries to access an element at index 10, which is beyond the array's size. It will result in undefined behavior and may print a garbage value.
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Community Answer
What is the output of the following code snippet?#include <iostream...
Explanation:
Array Index Out of Bounds:
- In the given code snippet, the array `arr` is declared with 5 elements (indexes 0 to 4).
- However, when trying to access `arr[10]`, the code is trying to access an element outside the bounds of the array.
- This results in accessing memory that is not allocated to the array, leading to undefined behavior.
Garbage Value:
- When accessing an element outside the bounds of an array, the value retrieved is considered a garbage value.
- Garbage values are unpredictable and can vary depending on the compiler, environment, and memory location.
Output:
- The output of the code snippet will be a garbage value since `arr[10]` is accessing memory beyond the allocated array size.
Therefore, the correct answer is option 'D) Garbage value'.
Array Index Out of Bounds:
- In the given code snippet, the array `arr` is declared with 5 elements (indexes 0 to 4).
- However, when trying to access `arr[10]`, the code is trying to access an element outside the bounds of the array.
- This results in accessing memory that is not allocated to the array, leading to undefined behavior.
Garbage Value:
- When accessing an element outside the bounds of an array, the value retrieved is considered a garbage value.
- Garbage values are unpredictable and can vary depending on the compiler, environment, and memory location.
Output:
- The output of the code snippet will be a garbage value since `arr[10]` is accessing memory beyond the allocated array size.
Therefore, the correct answer is option 'D) Garbage value'.
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