Hi,

I have to write a program which accepts a set of numbers and sort them in descending order and if "-r" is included in the command line then it should sort the numbers in ascending order.The program i wrote isn't working plz tell me what is wrong with it and how to correct it

Code:# include <stdio.h> main (argc, argv) int argc; char *argv[]; { int ar[100]; int i, j, n, flag, temp; printf ("usage: a.out for descending order\n"); printf ("usage: a.out -r for ascending order\n"); printf ("enter the number of elements in array\n"); scanf ("%d", &n); printf ("enter the elements of array\n"); for (i = 0; i < n; i++) scanf ("%d", &ar[i]); if (*argv == "-r") { for (i = 0; i < n; i++) { for (j = 0; j < (n-i-1); j++) { if (ar[j] > ar[j+1]) { temp = ar[j]; ar[j] = ar[j+1]; ar[j+1] = temp; } } } printf ("the sorted array is \n"); for (i = 0; i < n; i++) printf ("%d\n", ar[i]); } else { for (i = 0; i < n; i++) { for (j = 0; j < (n-i-1); j++) { if (ar[j] < ar[j+1]) { temp = ar[j]; ar[j] = ar[j+1]; ar[j+1] = temp; } } } printf ("the sorted array is \n"); for (i = 0; i < n; i++) printf ("%d\n", ar[i]); } }