// 步骤2：倒序遍历（从最后一个人往前推，符合"找右侧元素"的直觉）
The move has further exacerbated the already crippling oil and fuel shortages Cuba has been suffering for years.
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candidate[n] = closest colour to goal
3. What is an affiliate network and how do affiliate networks make money? Affiliate networks connect publishers to advertisers. Affiliate networks make money by charging fees to the merchants who advertise with them; these merchants are known as advertisers. The percentage of each sale that the advertiser pays is negotiated between the merchant and the affiliate network.