现在大概一百二十几，十几年前大概两百多，以前每年500 USAMO。

来源: BeLe 于 2021-04-30 22:53:56 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.