数据l构W六章选择题及(qing){案[13]_跨考网
(tng) (tng) (tng) (tng) (tng) 1Q由3 个结点可以构造出多少U不同的二叉?wi)?Q?/span> Q【北方交通大?/span> 2001 一?/span>7 Q?/span>2分)(j)?/span>
AQ?/span>2 (tng) (tng) (tng) BQ?/span>3 (tng) (tng) (tng) CQ?/span>4 (tng) (tng) (tng) DQ?/span>5
【参考答案?/span> D
2.下述二叉?wi)?/span>,哪一U满x(chng)质:从Q一l点出发到根的\径上所l过的结点序列按其关键字有序Q)(j)【中国科技大学1998二?/span>8Q?/span>2分)(j)】【中U院计算所1998二?/span>8(2分)(j)?/span>
AQ二叉排序树(wi) (tng) (tng) (tng) (tng) (tng) BQ哈夫曼?/span>
(tng) (tng) (tng) CQ?/span>AVL?/span> (tng) (tng) (tng) (tng) (tng) (tng) (tng) (tng) (tng) (tng) DQ堆
【参考答案?/span> D
3Q在叶子数目和权值相同的所有二叉树(wi)中,最优(sh)叉树(wi)一定是完全二叉?wi),该说法?/span> Q【中国科技大学1998 二?/span>10Q?/span>2分)(j)】【中U院计算所1998 二?/span>10Q?/span>2分)(j)?/span>
AQ正?/span> (tng) (tng) (tng) (tng) (tng) (tng) (tng) (tng) (tng) BQ错?/span>
【参考答案?/span> B
4Q最优(sh)叉树(wi)Q哈夫曼?wi)?j)、最优查找树(wi)均ؓ(f)q_查找路径长度最的?wi),其中?gu)优(sh)叉树(wi)Q?/span>n表示Q?/span>1Q,Ҏ(gu)优查找树(wi)Q?/span>n表示Q?/span>2Q,构造这两种?wi)均Q?/span>3Q。【中U院计算所1999一?/span>3 (6分)(j)?/span>
AQ结Ҏ(gu) (tng) (tng) (tng) BQ叶l点?/span> (tng) (tng) (tng) CQ非叶结Ҏ(gu) (tng) (tng) (tng) DQ度?/span>2的结Ҏ(gu)
EQ需要一?/span>n个关键字的有序表 (tng) (tng) (tng) FQ需要对n个关键字q行动态插?/span>
GQ需?/span>n个关键字的查找概率表 (tng) (tng) (tng) HQ不需要Q何前?/span>
【参考答案?/span> B A G
5Q下q编码中哪一个不是前~码( Q。【中U院计算所 2000 一?/span>2 Q?/span>2分)(j)?/span>
AQ(00Q?/span>01Q?/span>10Q?/span>11Q?/span> (tng) (tng) (tng) BQ(0Q?/span>1Q?/span>00Q?/span>11Q?/span>
CQ(0Q?/span>10Q?/span>110Q?/span>111Q?/span> (tng) (tng) DQ(1Q?/span>01Q?/span>000Q?/span>001Q?/span>
【参考答案?/span> B
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