poj 2013 Symmetric Order

 题意：连续两个一个在首位打印，一个在尾打印

 

/*7
Bo
Pat
Jean
Kevin
Claude
William
Marybeth

SET 1
Bo
Jean
Claude
Marybeth
William
Kevin
Pat
*/
 


#include <stdio.h>
#include<string.h>
struct Node
{
	char name[30];
}node[30];

int main(int argc, char *argv[])
{
	int n,i,k=1;;
	char ch[30][30];
	while(scanf("%d",&n) && n)
	{
		int t=n-1,cas=0;
		for (i=0;i<n;i++)
		  scanf("%s",node[i].name);
		for (i=0;i<n;i=i+2)
	    {
		   strcpy(ch[cas++],node[i].name);//首位 
     	}
     	for (i=1;i<n;i=i+2)
     	{
	     	strcpy(ch[t--],node[i].name);//尾部 
	     }
	     printf("SET %d\n",k++);
     	for (i=0;i<n;i++)
     	   printf("%s\n",ch[i]);
	}
	return 0;
}