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】![](/moin_static193/solenoid/img/up.png) : 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}
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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】![](/moin_static193/solenoid/img/up.png) : google有答案 看过了 : : =1
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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】![](/moin_static193/solenoid/img/up.png) : 这么多字 你google 什么关键词啊
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L******k 发帖数: 33825 | 7 你真厉害!!
【在 j*a 的大作中提到】![](/moin_static193/solenoid/img/up.png) : 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
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