How do I initialize a 1D array in C++?
You can initialize a 1D array in C++ using the following syntax: int arr[5] = {1, 2, 3, 4, 5};
.
Can I initialize it without specifying the size?
Yes, you can omit the size, and the compiler will determine it based on the initializer: int arr[] = {1, 2, 3, 4, 5};
.
What if I want to initialize all elements to zero?
You can do that by using: int arr[5] = {0};
which initializes the first element to 0 and the rest to 0 as well.
Is there a way to initialize it dynamically?
Yes, you can use dynamic memory allocation with new
: int* arr = new int[size];
and then initialize it in a loop.
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