编程介的小学生 2017-06-19 14:22 采纳率: 20.5%
浏览 743
已采纳

Dominoes

Problem Description

Some day, Tom's father buys him a box of dominoes blocks. In the box, there are 12 different blocks, which are shown above. Tom is a boy who likes to do practice in intelligence, so he spends a whole afternoon in finishing two different rectangles with 3 * 20, which are shown below.

①⑤⑤⑤⑤⑨⑩⑩⑩⑥⑥⑧②②②②②③④④
①⑤⑿⑿⑨⑨⑨⑩⑥⑥⑦⑧⑧⑧⑾⑾③③③④
①①①⑿⑿⑿⑨⑩⑥⑦⑦⑦⑦⑧⑾⑾⑾③④④

①⑧⑦⑦⑦⑦⑥⑩⑨⑿⑿⑿②②②②②③④④
①⑧⑧⑧⑦⑥⑥⑩⑨⑨⑨⑿⑿⑤⑾⑾③③③④
①①①⑧⑥⑥⑩⑩⑩⑨⑤⑤⑤⑤⑾⑾⑾③④④

Tom is sure that these are the only solutions for 3 * 20, and he wants to know the number of solutions for 4 * 15, 5 * 12, ... Can you help him?

You should notice that if a solution will be the same as the other by some flip or rotate, these two solutions should be consider as the same.

Input
There may be several test cases. Each contains a single line with two positive integers M and N, which means the shape of M * N. Here M * N = 60.

Output
For each test case, output a line contains the number of solutions.

Sample Input
1 60
3 20

Sample Output
0
2

  • 写回答

1条回答 默认 最新

  • threenewbee 2017-07-17 15:51
    关注
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

报告相同问题?

悬赏问题

  • ¥15 【提问】基于Invest的水源涵养
  • ¥20 微信网友居然可以通过vx号找到我绑的手机号
  • ¥15 spring后端vue前端
  • ¥15 寻一个支付宝扫码远程授权登录的软件助手app
  • ¥15 解riccati方程组
  • ¥15 display:none;样式在嵌套结构中的已设置了display样式的元素上不起作用?
  • ¥15 使用rabbitMQ 消息队列作为url源进行多线程爬取时,总有几个url没有处理的问题。
  • ¥15 Ubuntu在安装序列比对软件STAR时出现报错如何解决
  • ¥50 树莓派安卓APK系统签名
  • ¥65 汇编语言除法溢出问题