题目提示下的样例输入3和输出3是不是错误的，0元，不用任何纸币也应该算一种方案吧？

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  • @ 2025-10-20 16:49:26

    dp[0]=1是我们设计算法、统计计数的技巧，但如果题目有明确定义就按题目的来

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