数据结构试题及答案3（Data structure, questions and answers 3）.docVIP

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数据结构试题及答案3（Data structure, questions and answers 3）.doc

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数据结构试题及答案3（Data structure, questions and answers 3）

数据结构试题及答案3（Data structure, questions and answers 3） Computer application basic data structure part questions and answers 1. choice questions: 1., the time complexity of the following program segments is (D) For (i=1; i=n; i++) For (j=1; j=i; j++) For (k=1; k=j; k++) X=x+1; A., O (1), B.O (n), C., O (N2), D.O (N3) 2., in the data structure, the data structure can be logically divided into (C) A. dynamic structure and static structure, B. compact structure and non compact structure C. linear structure and nonlinear structure, D. internal structure and external structure 3. data structures (B) include four basic types: set, linear, tree, and graph structures. A. storage structure, B. logic structure, C. basic operation, D. algorithm description 4. (C) of data, including lookup, insert, delete, update and sort, etc.. A. storage structure, B. logic structure, C. basic operation, D. algorithm description 5. the storage structure of data includes four basic types of sequence, link, hash, and (D). A. linear B. array, C. set, D. index 6., the following (B) has the best time complexity, i.e., the shortest execution time. A., O (n), B.O (logn), C., O (nlogn), D.O (N2) 7. the complexity of the time complexity of the following program segment is (C) For (int i=0; im; i++) For (int j=0; jn; j++) A[i][j]=i*j; A., O (M2), B.O (N2), C., O (m*n), D.O (m+n) 8. (C) is not the basic feature of the algorithm. A. correctness, B. length is limited, C. within the specified time to complete D. certainty The third chapter stacks and queues 9. the input sequence of a stack is 1, 2, 3, 4, 5, and the following sequence is the output sequence of the stack. A. 31245, B.41325, C.23415, D.14253 10., in the N node with two nodes, the number of chains is empty, and the number of fields is (). A., n-1, B., 2N-1, C., n+1, D., 2n+1 1-5, D, C, B, C, D,, B, C, C, C, C 11. known complete two fork tree has 30 nodes, then the whole two fork tree has () 1 degrees of node. A. 0, B. 1, C. 2, D. are not sure 12.