|
据说今年KINGSOFT在高校招网游开发人员就用了这题做笔试之一
ACM 1996 亚洲区 题C
1996-1997 Asia Regional
ACM International Collegiate Programming Contest
Shanghai University, Shanghai, P. R. China, Nov. 3, 1996
Problem C
Prime Ring Problem
Input file: prime.in
A ring is compose of n (even number) circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime.
Note: the number of first circle should always be 1.
Input
n (0<n=<20)
Output
The output format is shown as sample below. Each row represents a series of circle numbers in the ring beginning from 1 clockwisely and anticlockwisely. The order of numbers must satisfy the above requirements.
You are to write a program that completes above process.
Sample Input
6
8
Output for the Sample Input
Case 1:
1 4 3 2 5 6
1 6 5 2 3 4
Case 2:
1 2 3 8 5 6 7 4
1 2 5 8 3 4 7 6
1 4 7 6 5 8 3 2
1 6 7 4 3 8 5 2 |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册
×
|