进入training campus的前20才叫USAMO，之前只能叫AIME, but not sure。

所有跟帖： 

• Regeneron finalist 40个。 -菊坡精舍- ♀ (0 bytes) () 03/20/2017 postreply 09:00:54

• 在Intel时期，它的含金量已经逐年下降了，USAMO is more reliable. -czhz- ♀ (0 bytes) () 03/20/2017 postreply 09:07:15

• 不對吧 從AMC12+AIME出線去考USAMO 就是了啊 -violinpiano- ♂ (28 bytes) () 03/20/2017 postreply 09:08:09

• I did mention "not sure". But top 250 in national math is still -czhz- ♀ (0 bytes) () 03/20/2017 postreply 09:14:16

• more reliable than Intel top 40. -czhz- ♀ (0 bytes) () 03/20/2017 postreply 09:14:54

• 這些奧賽是做不了弊的 實力就在那裡 -violinpiano- ♂ (207 bytes) () 03/20/2017 postreply 09:36:10

• 另一個ID czpq和你有關係嗎？(No!) -czhz- ♀ (0 bytes) () 03/20/2017 postreply 11:23:18