数学好的，USACO不难。只凭计算机竞赛，需要camp的

来源: acreek 于 2018-09-19 20:40:34 [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.

Change Ad Consent