[코드트리] 숫자 직사각형 C++

#include <iostream>

int main() {
    int n, m;
    std::cin >> n >> m;

    int **matrix = new int*[n];
    for (int i = 0; i < n; i++) {
        matrix[i] = new int[m];
    }

    int curr_int = 1;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            matrix[i][j] = curr_int;
            curr_int++;
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            std::cout << matrix[i][j] << " ";
        }
        std::cout << std::endl;
    }


    return 0;
}