#include <stdio.h>
#include <stdlib.h>
struct person {
   int age;
   float weight;
   char *name;
};

int main()
{
     struct person *ptr;
     int i, num;

       printf("Enter number of persons: ");
   scanf("%d", &num);
    
     ptr = (struct person*) malloc(num * sizeof(struct person));
   // Above statement allocates the memory for n structures with pointer personPtr pointing to base address */

      ptr->name=(char*)malloc(num*sizeof(char));

      for(i = 0; i < num; ++i)
   {
       printf("Enter name, age and weight of the person respectively:\n");
       scanf("%s%d%f",&ptr->name[i], &(ptr+i)->age, &(ptr+i)->weight);
   }

     printf("Displaying Infromation:\n");
      for(i = 0; i < num; ++i)
       printf("%s\t%d\t%.2f\n", ptr->name[i], (ptr+i)->age, (ptr+i)->weight);

   return 0;
}