Initializing a 3d array efficiently.

[scarlet agate]

Say I have one char arr[6][3][3] and I want to initialize all elements of arr[n][][] with some particular value for each different n, 0 to 5, of course. How would you do it?
Nested fors are certainly too slow for what I aim to do.
I thought maybe memset? But I'm not sure if the blocks are contiguous.

[crimson dagger]

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[tame eagle]

the whole array is contiguous

[tame eagle]

char arr[6][3][3];
for (size_t i = 0; i < 6; ++i) {
    char value = 'a';
    memset(arr + i, value, 3 * 3);
}
``` yeah you can memset them

[scarlet agate]

Thanks a lot.

!solved

[crimson dagger]

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[SOLVED] Initializing a 3d array efficiently.

[crimson dagger]

Initializing a 3d array efficiently.