#include <stdio.h>

#include <stdlib.h>  // EXIT_SUCCESS



int main(int argc, char **argv) {

  int arr[3] = {2, 3, 4};

  int* p = &arr[1];

  int** dp = &p;



  *(*dp) += 1;

  p += 1;

  *(*dp) += 1;



  printf("arr[0]: %d\n", arr[0]);

  printf("arr[1]: %d\n", arr[1]);

  printf("arr[2]: %d\n", arr[2]);

  return EXIT_SUCCESS;

}