practical_question_paper

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int opt=0,arr[50],i,n,s_id,temp,j;

    printf("Enter the number of numbers you want to enter: ");
    scanf("%d",&n);

    printf("Enter the numbers: ");
    for(i=0;i<n;i++)
    {
        scanf("%d",&arr[i]);

    }

    while(1)
    {
        printf("Enter 1 to print the list of numbers, 2 to delete the duplicates from the list or 3 to exit the program: ");
        scanf("%d",&opt);

        switch(opt)
        {
        case 1:
            for(i=0;i<n;i++)
                printf("%d \t",arr[i]);
            break;
        case 2:
            for(i=0;i<n-1;i++)
            {
                s_id = i;
                for(j=i+1;j<n;j++)
                {
                    if(arr[s_id]>arr[j])
                        s_id = j;
                }
                temp = arr[i];
                arr[i] = arr[s_id];
                arr[s_id] = temp;

            }
            printf("\nSorted.");
            //Code probably gets into an infinite loop here! No idea why!
            for(i=0;i<n;i++)
            {
                while(arr[i]==arr[i+1])
                {
                    for(j=i+1;j<n;j++)
                        arr[j] = arr[j+1];
                }
            }
            printf("\nDeleted Duplicates.");
        case 3:
            exit(0);

        default:
            printf("Entered wrong option. Please try again!");
        }

    }


    return 0;
}