返回列表 回復 發帖
i find one solution that is similar
0 K) C& o4 q9 @but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....
6 [/ x5 N+ @# X& o* _maybe there is a better one, let me see sin
it is already good IQ if you can understand the answer......
返回列表