c++ 3d arrays

#include <iostream>

using namespace std;

int main(){

    int myArray[10][10][10];

    for (int i = 0; i <= 9; ++i){
    	for (int t = 0; t <=9; ++t){
            for (int x = 0; x <= 9; ++t){

    		    myArray[i][t][x] = i+t+x;

            }

        }

     }


    for (int i = 0; i <= 9; ++i){
    	for (int t = 0; t <=9; ++t){
            for (int x = 0; x <= 9; ++t){

    		    cout << myArray[i][t][x] << endl;

            }

        }

    }

    system("pause");

}

for (int x = 0; x <= 9; ++t){

for (int x = 0; x <= 9; ++x){

const std::size_t ARRAY_SIZE = 10;

int myArray[ARRAY_SIZE][ARRAY_SIZE][ARRAY_SIZE];

for (std::size_t i = 0; i < ARRAY_SIZE; ++i)
{
    for (std::size_t j = 0; j < ARRAY_SIZE; ++j)
    {
        for (std::size_t k = 0; k < ARRAY_SIZE; ++k)
        {
            std::assert (i < ARRAY_SIZE && j < ARRAY_SIZE && k < ARRAY_SIZE);
            // Do stuff
        }
    }
}