1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Copyright (c) 2021 Oracle and/or its affiliates. All Rights Reserved. */
3
4 #include <stdio.h>
5 #include <stdlib.h>
6
cmp(const void * a,const void * b)7 static int cmp(const void *a, const void *b)
8 {
9 return (*(int *)a - *(int *)b);
10 }
11
main(int argc,const char * argv[])12 int main(int argc, const char *argv[])
13 {
14 const size_t size = argc - 1;
15
16 if (!size) {
17 fprintf(stderr, "Please provide a numeric list\n");
18 return 1;
19 }
20 if (size == 1) {
21 printf("%d", atoi(argv[1]));
22 return 0;
23 }
24
25 int arr[size];
26 size_t i;
27
28 for (i = 0; i < size; ++i)
29 arr[i] = atoi(argv[i + 1]);
30
31 qsort(arr, size, sizeof(arr[0]), cmp);
32
33 const size_t size2 = size / 2;
34 printf("%d", (size & 1) ? arr[size2] : ((arr[size2 - 1] + arr[size2]) / 2));
35
36 return 0;
37 }
38