#include <stdio.h>
#include <stdlib.h>

int main() {
  int n, *ptr;

  // Prompt the user to enter the number of integers to allocate memory for.
  printf("Enter the number of integers to allocate memory for: ");
  scanf("%d", &n);

  // Allocate dynamic memory for n integers using the malloc() function.
  ptr = (int *)malloc(n * sizeof(int));

  // Check the return value of malloc() to make sure that the memory was allocated successfully.
  if (ptr == NULL) {
    printf("Error: Could not allocate memory.\n");
    return 1;
  }

  // Prompt the user to enter the values of the integers.
  printf("Enter the values of the integers:\n");
  for (int i = 0; i < n; i++) {
    scanf("%d", ptr + i);
  }

  // Print the values of the integers.
  printf("The values of the integers are:\n");
  for (int i = 0; i < n; i++) {
    printf("%d ", ptr[i]);
  }
  printf("\n");

  // Free the dynamically allocated memory using the free() function.
  free(ptr);

  return 0;
}

Enter the number of integers to allocate memory for: 5
Enter the values of the integers:
10
20
30
40
50
The values of the integers are:
10 20 30 40 50

Further Reading:

Dynamic Memory allocation or Run time memory allocation in c

What is static memory allocation and dynamic memory allocation?

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