Yoyo lost $3, Pierre found it and returned to Yoyo.
Yoyo wanted to give all $3 to Pierre as gift, but Pierre refused.
Joe is the judge. How to solve it ?
Solution:
Joe donates $1 to make total $4,
divide between Yoyo and Pierre，
=> Yoyo and Pierre each gets $2
Also Yoyo, Pierre and Joe all lose $1.
Note: "三方各损一两" Win-Win Problem
i've read this before, but still interesting.
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