描述:prices[i] 为第 i 件商品价格。第 i 件商品可获得折扣 prices[j],其中 j 是满足 j i 且 prices[j] <= prices[i] 的最小下标;若无则无折扣。返回每件商品折扣后的最终价格。
Once a transaction is confirmed, it is placed in a block after the confirmation. All of the blocks are chained together to create a permanent history of every transaction.
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Barnfield believes it will benefit processing plants to not have every council start collection on the same date.