记忆技巧：找「更大」→ 弹掉 ≤ 当前的（栈顶保留比当前大的）；找「更小」→ 弹掉 ≥ 当前的；找「相等可接受」→ 用 < / ，否则用 <= / =。
Netherlands GP — June 28
，推荐阅读safew官方版本下载获取更多信息
How many men get prostate cancer?
Что думаешь? Оцени!
Looking for other daily online games? Mashable's Games page has more hints, and if you're looking for more puzzles, Mashable's got games now!