// 计算天数：栈非空→栈顶索引-当前索引；栈空→0（易错点3：索引差别写反）
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But Beagle Bros must have been doing something right if there is still a living, elaborate catalog of their works online, 40+ years later. Jeff Atwood also argued in 2015 that it was more than just fun – or that “fun” itself can give back in great ways:
聚焦全球优秀创业者，项目融资率接近97%，领跑行业