血库专用离心机:图论很抽象啊，who can help me?例如下面一题...

来源：百度文库 编辑：查人人中国名人网 时间：2024/05/05 12:10:52
若已知n个字符的频率：f1<=f2<=......<=fn,试写构造他们的Huffman码的程序。
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