#include <stdio.h>
#include <stdlib.h>
int main() {
int *ptr;
int n;
ptr = (int*) malloc(n * sizeof(int));
if (ptr == NULL) {
printf("Memory allocation failed!\n");
return 1;
}
printf("Memory successfully allocated using malloc.\n");
printf("enter a value.\n");
scanf("%d",ptr);
printf("value = %d ", *ptr);
printf("\n");
return 0;
}
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