P194. WAP to allocate dynamic memory to 5 students database, scan it and print it.

 

#include<stdio.h>

#include<stdlib.h>

struct st

{

        int roll;

        char name[20];

        float marks;

};

void main()

{

        int num,i;

 

        struct st *p[5];

        for(i=0;i<5;i++)

                p[i]=malloc(sizeof(struct st));

 

        for(i=0;i<5;i++)

        {

                printf("Enter roll number\n");

                scanf("%d",&p[i]->roll);

                printf("Enter name number\n");

                scanf("%s",p[i]->name);

                printf("Enter total marks\n");

                scanf("%f",&p[i]->marks);

        }

 

        for(i=0;i<5;i++)

        printf("%d %s %f\n", p[i]->roll,p[i]->name,p[i]->marks);

 

        for(i=0;i<5;i++)

        {

                free(p[i]);

                p[i]=0;

        }

 

}