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NealPeteros

Untitled

Apr 19th, 2023
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main() {
  5.     int i, size;
  6.    
  7.     printf("Enter the size of your dynamic array: ");
  8.     scanf("%d", &size);
  9.    
  10.     int *ptr = (int*) malloc(size * sizeof(int));
  11.    
  12.    
  13.     printf("Enter %d numbers \n", size);
  14.     for(i = 0; i < size; i++) {
  15.         printf("Element %d: ", i);
  16.         scanf("%d", ptr+i);
  17.     }
  18.    
  19.     printf("\nElements of Pointer: \n");
  20.     for(i = 0; i < size; i++) {
  21.         printf("Element %d: ", i);
  22.         printf("%d ", *(ptr+i));
  23.         printf("\n");
  24.     }
  25.    
  26.     printf("\nEnter new size of dynamic array: ");
  27.     scanf("%d", &size);
  28.     ptr = (int*) realloc(ptr, size);
  29.    
  30.     printf("Enter %d numbers \n", size);
  31.     for(i = 0; i < size; i++) {
  32.         printf("Element %d: ", i);
  33.         scanf("%d", ptr+i);
  34.     }
  35.    
  36.     printf("\nElements of Pointer: \n");
  37.     for(i = 0; i < size; i++) {
  38.         printf("Element %d: ", i);
  39.         printf("%d ", *(ptr+i));
  40.         printf("\n");
  41.     }
  42.    
  43.     /*int arr[5] = {1, 2, 3, 4, 5};
  44.    
  45.     for(i = 0; i < 5; i++) {
  46.         printf("%d", arr[i]);
  47.     }*/
  48. }
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