how to print out a two dimensional array in c++
#include <iostream>
int main() {
int arr[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
std::cout << arr[i][j] << " ";
}
std::cout << std::endl;
}
return 0;
}