#include<stdio.h>
struct address
{
char city[20],state[20],country[20];
};
struct student
{
char name[20];
int rollno;
int mark;
struct address add;
};
void sort(struct student *p,int n)
{
struct student t;
int i,j;
for(i=0;i<n-1;i++)
{
for(j=0;j<n-1-i;j++)
{
if(p[j].rollno>p[j+1].rollno)
{
t=p[j];
p[j]=p[j+1];
p[j+1]=t;
}
}
}
}
void main()
{
struct student s[100],*ptrs,*ptr[100];
int n,i;
printf("Enter the no of students..");
scanf("%d",&n);
printf("\nEnter the student details one by one..");
for(i=0;i<n;i++)
{
printf("\nStudent %d details : ",i+1);
printf("\nEnter the name..");
scanf("%s",s[i].name);
printf("\nEnter the rollno..");
scanf("%d",&s[i].rollno);
printf("\nEnter the mark..");
scanf("%d",&s[i].mark);
printf("\nEnter the city..");
scanf("%s",s[i].add.city);
printf("\nEnter the state..");
scanf("%s",s[i].add.state);
printf("\nEnter the country..");
scanf("%s",s[i].add.country);
ptr[i]=&s[i];
}
sort(s,n);
printf("\nThe student details as per sorted order using single pointer..");
ptrs=s;
for(i=0;i<n;i++)
{
printf("\nStudent %d details : ",i+1);
printf("\nThe rollno is ..%d",ptrs->rollno);
printf("\nThe name is..%s",ptrs->name);
printf("\nThe mark is..%d",ptrs->mark);
printf("\nThe Address is..%s,%s,%s.",ptrs->add.city,ptrs->add.state,
ptrs->add.country);
ptrs++;
printf("\n");
}
printf("\nThe student details as per sorted order using array of pointers..");
for(i=0;i<n;i++)
{
printf("\nStudent %d details : ",i+1);
printf("\nThe rollno is ..%d",ptr[i]->rollno);
printf("\nThe name is..%s",ptr[i]->name);
printf("\nThe mark is..%d",ptr[i]->mark);
printf("\nThe Address is..%s,%s,%s.",ptr[i]->add.city,ptr[i]->add.state,
ptr[i]->add.country);
printf("\n");
}
}
struct address
{
char city[20],state[20],country[20];
};
struct student
{
char name[20];
int rollno;
int mark;
struct address add;
};
void sort(struct student *p,int n)
{
struct student t;
int i,j;
for(i=0;i<n-1;i++)
{
for(j=0;j<n-1-i;j++)
{
if(p[j].rollno>p[j+1].rollno)
{
t=p[j];
p[j]=p[j+1];
p[j+1]=t;
}
}
}
}
void main()
{
struct student s[100],*ptrs,*ptr[100];
int n,i;
printf("Enter the no of students..");
scanf("%d",&n);
printf("\nEnter the student details one by one..");
for(i=0;i<n;i++)
{
printf("\nStudent %d details : ",i+1);
printf("\nEnter the name..");
scanf("%s",s[i].name);
printf("\nEnter the rollno..");
scanf("%d",&s[i].rollno);
printf("\nEnter the mark..");
scanf("%d",&s[i].mark);
printf("\nEnter the city..");
scanf("%s",s[i].add.city);
printf("\nEnter the state..");
scanf("%s",s[i].add.state);
printf("\nEnter the country..");
scanf("%s",s[i].add.country);
ptr[i]=&s[i];
}
sort(s,n);
printf("\nThe student details as per sorted order using single pointer..");
ptrs=s;
for(i=0;i<n;i++)
{
printf("\nStudent %d details : ",i+1);
printf("\nThe rollno is ..%d",ptrs->rollno);
printf("\nThe name is..%s",ptrs->name);
printf("\nThe mark is..%d",ptrs->mark);
printf("\nThe Address is..%s,%s,%s.",ptrs->add.city,ptrs->add.state,
ptrs->add.country);
ptrs++;
printf("\n");
}
printf("\nThe student details as per sorted order using array of pointers..");
for(i=0;i<n;i++)
{
printf("\nStudent %d details : ",i+1);
printf("\nThe rollno is ..%d",ptr[i]->rollno);
printf("\nThe name is..%s",ptr[i]->name);
printf("\nThe mark is..%d",ptr[i]->mark);
printf("\nThe Address is..%s,%s,%s.",ptr[i]->add.city,ptr[i]->add.state,
ptr[i]->add.country);
printf("\n");
}
}
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