Two games, iterative thinking

26 sec read

1. The smallest unique number

The host asks each of a large number of participants to write down a positive integer. The person whose number is unique and smallest wins. If you were one of the participant, which number do you write?

e.g. If the numbers are 1,1,1,1,2,2,3,3,3,4,5,5,6,10,40. Then the person who wrote 4 wins.

2. The closest number to 2/3 of average

The host asks each of a large number of participants to write down a positive integer between 1 and 100. The person whose number is closest to 2/3 of the average number wins. If you were one of the participant, which number do you write?

e.g. If the numbers are 1,24,29,87,45,100,30,20, the average of them is 42 and 2/3 of average is 28. Then the person who wrote 29 wins.

1. 最小唯一的数

主持人让每个人写下一个正整数。写最小并且唯一的数的人会赢得奖品。如果是你,你会写几?

比如,如果所有的数是 1,1,1,1,2,2,3,3,3,4,5,5,6,10,40. 那么写下4的人赢了。

2. 与平均值的2/3最近的数

主持人让每个人写下一个1与100之间的正整数。之后把每个人的数收集起来,求平均。与平均数的2/3最接近的数赢得奖品。如果是你,你会写几?

比如,如果所有的数是 1,24,29,87,45,100,30,20, 那么平均数是 42,其 2/3 是 28. 写29那个人赢了。



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