// 1. 统计每个元素出现次数
f(x)={x,x0αx,x≤0(α≈0.01)
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Parents opposing plans told they can home school their children if they object to sending them to state schools
Poly/Why Choose/Reverse Harem
从定西张川城的黄土城垣到重庆江津的石佛寺，“我家门口有文物”这句话里有不同的风景，却藏着相同的守护与传承。