#include <stdio.h>
 
int main() {
    // 2D 배열 (3행 4열)
    int arr[3][4] = {
        {1, 2, 3, 4},
        {5, 6, 7, 8},
        {9, 10, 11, 12}
    };
 
    // 포인터 배열 (각각 행의 시작 주소를 저장)
    int *ptr_arr[3];
 
    // 각 행의 시작 주소를 포인터 배열에 저장
    for(int i = 0; i < 3; i++) {
        ptr_arr[i] = arr[i];
    }
 
    // 포인터 배열을 통해 2D 배열을 출력
    printf("2D 배열의 값들: \n");
    for(int i = 0; i < 3; i++) {
        for(int j = 0; j < 4; j++) {
            printf("%d ", *(ptr_arr[i] + j)); // 포인터를 사용해 각 값 출력
        }
        printf("\n");
    }
 
    return 0;
}
 

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