数据l构W五章选择题及(qing){案[3]_跨考网
(tng) (tng) (tng) (tng) (tng) (tng) (tng)1.二维数组A的每个元素是?/span>6个字W组成的Ԍ其行下标i=0,1,?/span>,8,列下?/span>j=1,2,?/span>,10。若A按行先存储,元素A[8,5]的v始地址与当A按列先存储时的元素( Q的起始地址相同。设每个字符占一个字节。?a target="_blank">西安?sh)子U技大学 1998 一?/span>2 Q?/span>2分)(j)?/span>
A.A[8,5] (tng) B.A[3,10] (tng) C.A[5,8] (tng) (tng) D.A[0,9]
(tng) (tng) (tng) 【参考答案?/span> B
(tng)
2.若对n阶对U矩?/span>A以行序ؓ(f)d方式其下三角Ş的元?/span>(包括d角线上所有元?/span>)依次存放于一l数l?/span>BQ?/span>1..(n(n+1))/2Q中Q则?/span>B中确?/span>aijQ?/span>i<jQ的位置k的关pMؓ(f)( )。?a target="_blank">北京航空航天大学 2000 一?/span>2 Q?/span>2分)(j)?/span>
A.i*(i-1)/2+j (tng) (tng) (tng) B.j*(j-1)/2+i (tng) (tng) (tng) C.i*(i+1)/2+j (tng) (tng) (tng) D.j*(j+1)/2+i
(tng) (tng) (tng) 【参考答案?/span> B
(tng)
3.?/span>A?/span>n*n的对U矩阵,?/span>A的对角线?qing)对角线上方的元素以列?f)ȝơ序存放在一l数l?/span>B[1..n(n+1)/2]中,对上qCQ一元素aij(1?/span>iQ?/span>j?/span>nQ且i?/span>j)?/span>B中的位置?/span>( )。?a target="_blank">南京理工大学 1999 一?/span>9Q?/span>2分)(j)?/span>
A.i(i-l)/2+j (tng) (tng) (tng) (tng) B.j(j-l)/2+i (tng) (tng) (tng) (tng) C.j(j-l)/2+i-1 (tng) (tng) D.i(i-l)/2+j-1
(tng) (tng) (tng) 【参考答案?/span> B
(tng)
4.A[NQ?/span>N]是对U矩阵,下面三角(包括对角U)(j)以行序存储到一l数l?/span>T[NQ?/span>N+1Q?/span>/2]中,则对M上三角元?/span>a[i][j]对应T[k]的下?/span>k是( Q。?a target="_blank">青岛大学 2002 二?/span>6 Q?/span>2分)(j)?/span>
A.iQ?/span>i-1Q?/span>/2+j (tng) (tng) B.jQ?/span>j-1Q?/span>/2+i (tng) (tng) (tng) C.iQ?/span>j-iQ?/span>/2+1 (tng) (tng) D.jQ?/span>i-1Q?/span>/2+1
(tng) (tng) (tng) 【参考答案?/span> B
(tng)
5.设二l数l?/span>A[1.. mQ?/span>1.. n]Q即m?/span>n列)(j)按行存储在数l?/span>B[1.. m*n]中,则二l数l元?/span>A[iQ?/span>j]在一l数l?/span>B中的下标?/span>( )。?a target="_blank" class="keylink">南京理工大学 1998 一?/span>2 Q?/span>2分)(j)?/span>
A.Q?/span>i-1Q?/span>*n+j (tng) (tng) (tng) B.Q?/span>i-1Q?/span>*n+j-1 (tng) (tng) C.i*Q?/span>j-1Q?/span> (tng) (tng) (tng) (tng) (tng) D.j*m+i-1
(tng) (tng) (tng) 【参考答案?/span> A
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