cout two dimension array c++
#include <iostream>
int main() {
int arr[3][4] = {
{1, 2, 3, 4},
{5, 6, 7, 8},
{9, 10, 11, 12}
};
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 4; j++) {
std::cout << arr[i][j] << " ";
}
std::cout << std::endl;
}
return 0;
}