2D character array sorting

Q : Write a ‘C’ program to read an array of names and to sort them in alphabetical order.

Solution :

/*==============================

     Girfa Student Help

     Program : Sort 2D  Array    

================================*/

#include<stdio.h>

#include<conio.h>

#define MAX 3

void main()

{

     char ar[MAX][20],ch[20];

     int r,i,j,flag=0;

     clrscr();

     for(r=0;r<MAX;r++)

     {

          printf("Enter Name>> ");

          gets(ar[r]);

     }

     /* Sorting Using Bubble Sort */

     for(r=0;r<MAX-1;r++)

     {

          flag=0;

          for(j=0;j<MAX-r-1;j++)

          {

              if(strcmp(ar[j],ar[j+1])>0)

              {

                   strcpy(ch,ar[j]);

                   strcpy(ar[j],ar[j+1]);

                   strcpy(ar[j+1],ch);

                   flag=1;

              }

          }

          if(flag==0)

              break;

     }

     puts("\n");

     for(r=0;r<MAX;r++)

          puts(ar[r]);

     getch();

}

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