fill two dimension array c++
#include <iostream>
const int ROWS = 3;
const int COLS = 4;
int main() {
int array2D[ROWS][COLS];
// Fill the 2D array with values
for (int i = 0; i < ROWS; ++i) {
for (int j = 0; j < COLS; ++j) {
array2D[i][j] = i * COLS + j + 1;
}
}
// Display the filled 2D array
std::cout << "Filled 2D array:\n";
for (int i = 0; i < ROWS; ++i) {
for (int j = 0; j < COLS; ++j) {
std::cout << array2D[i][j] << ' ';
}
std::cout << '\n';
}
return 0;
}