poj 2013 Symmetric Order

 1 #include <stdio.h>
 2 #include <string.h>
 3 char strs[16][30];
 4 char result[16][30];
 5 int main()
 6 {
 7     int n,time = 0,i;
 8     while(scanf("%d",&n) && n)
 9     {
10         ++time;
11         i = 0;
12         for(i = 0; i < n; ++i)
13             scanf(" %s",strs[i]);
14 
15         int rn = n-1,j = 0;
16 
17         for(i = 0; i < n; ++i)
18         {
19             if((i+1)%2 == 1)
20             {
21                 strcpy(result[j],strs[i]);
22                 ++j;
23             }
24             else
25             {
26                 strcpy(result[rn],strs[i]);
27                 --rn;
28             }
29         }
30         printf("SET %d\n",time);
31         for(i = 0; i < n; ++i)
32         {
33             printf("%s\n",result[i]);
34         }
35     }
36     return 0;
37 }