/* C program to accept a set of names and sort them in an alphabetical order, Use structures to store the names */

#include<stdio.h>
#include<conio.h>
#include<string.h>

struct person
{
char name[10];
int rno;
};
typedef struct person NAME;
NAME  stud[10], temp[10];

void main()
{
int no,i;

void sort(int N);     /* Function declaration */

clrscr();
fflush(stdin);

printf(“Enter the number of students in the list\n”);
scanf(“%d”,&no);

for(i = 0; i < no; i++)
{
printf(“\nEnter the name of  person %d : “, i+1);
fflush(stdin);
gets(stud[i].name);

printf(“Enter the roll number of %d : “, i+1);
scanf(“%d”,&stud[i].rno);
temp[i] = stud[i];
}

printf(“\n*****************************\n”);
printf (“     Names before sorting     \n”);
/* Print the list of names before sorting */
for(i=0;i<no;i++)
{
printf(“%-10s\t%3d\n”,temp[i].name,temp[i].rno);
}

sort(no);       /* Function call */

printf(“\n*****************************\n”);
printf (“     Names after sorting     \n”);
printf(“\n*****************************\n”);
/* Display the sorted names */
for(i=0;i<no;i++)
{
printf(“%-10s\t%3d\n”,stud[i].name,stud[i].rno);

}
printf(“\n*****************************\n”);
}          /* End of main() */

/* Function to sort the given names */
void sort(int N)
{
int i,j;
NAME temp;

for(i = 0; i < N-1;i++)
{
for(j = i+1; j < N; j++)
{
if(strcmp(stud[i].name,stud[j].name) > 0 )
{
temp    = stud[i];
stud[i] = stud[j];
stud[j] = temp;
}
}
}
}          /* end of sort() */

/*——————————————————–
Enter the number of students in the list
5

Enter the name of  person 1 : Rajashree
Enter the roll number of 1 : 123

Enter the name of  person 2 : John
Enter the roll number of 2 : 222

Enter the name of  person 3 : Priya
Enter the roll number of 3 : 331

Enter the name of  person 4 : Anand
Enter the roll number of 4 : 411

Enter the name of  person 5 : Nirmala
Enter the roll number of 5 : 311

*****************************
Names before sorting
Rajashree       123
John            222
Priya           331
Anand           411
Nirmala         311

*****************************
Names after sorting

*****************************
Anand           411
John            222
Nirmala         311
Priya           331
Rajashree       123

*****************************
—————————————————-*/

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