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

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

    int n = 2;

    // Allocate memory on HEAP  (i.e., reserve space)
    int* array = malloc(n * sizeof(*array));
                // n int's x sizeof(*array) bytes / int
                //  == 2 int's x sizeof(int) bytes / int
                //  == 2 int's x 4 bytes / int
                //  == 8 bytes
    array[0] = 10;
    array[1] = 12;

    // Deallocate memory on heap that was allocated at line 9 (i.e., give it back after use)
    //free(array);  // Do this in same scope as malloc(…) that allocated array, *if possible*

    array[0] = 11;
    printf("array[0] = %d\n", array[0]); // BAD!!!!!!!!!!!!!
    
    return EXIT_SUCCESS;
}
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