算法：零钱兑换 | Beck's Blog



算法：零钱兑换 | Beck's Blog

给定不同面额的硬币(coins)和一个总金额(amount) 。写一个函数来计算可以凑成总金额所需的最少的硬币个数，如果没有任何一种硬币组合能满足，返回 -1。


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