L******k
发帖数: 33825 | 1 还是 political science课上老师给的题目：
A says to S and P: I have chosen two integers x,y such that 1
00. In a moment I will inform S only of s=x+y and P only p=xy.
These announcements will be private.
You are required to determine the pair {x,y}. He acts as promised.
Then the following conversation takes place:
1. P says: I do not know the pair;
2. S says: I knew you did not
3.P says: I now know it
4. S says I know it too. Determine the pair {x,y} |
d*******n
发帖数: 4913 | |
d*******n
发帖数: 4913 | |
j*a
发帖数: 14423 | 4 google有答案 看过了
=1
【在 L******k 的大作中提到】
: 还是 political science课上老师给的题目：
: A says to S and P: I have chosen two integers x,y such that 1: 00. In a moment I will inform S only of s=x+y and P only p=xy.
: These announcements will be private.
: You are required to determine the pair {x,y}. He acts as promised.
: Then the following conversation takes place:
: 1. P says: I do not know the pair;
: 2. S says: I knew you did not
: 3.P says: I now know it
: 4. S says I know it too. Determine the pair {x,y}
|
L******k
发帖数: 33825 | 5 这么多字 你google 什么关键词啊
【在 j*a 的大作中提到】
: google有答案 看过了
:
: =1
|
j*a
发帖数: 14423 | 6 kw: 我不知道 我也不知道 我知道了 我也知道了
http://baike.baidu.com/view/578227.html?fromTaglist
【在 L******k 的大作中提到】
: 这么多字 你google 什么关键词啊
|
L******k
发帖数: 33825 | 7 你真厉害！！
【在 j*a 的大作中提到】
: kw: 我不知道 我也不知道 我知道了 我也知道了
: http://baike.baidu.com/view/578227.html?fromTaglist
|
