2d array of zeros c++
#include <iostream>
int main() {
const int rows = 3;
const int cols = 4;
int matrix[rows][cols] = {0};
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < cols; ++j) {
std::cout << matrix[i][j] << " ";
}
std::cout << std::endl;
}
return 0;
}