Computers and Technology, 05.10.2019 11:30 imjustdumbsis
An integer x and a sequence , of integers is given. the problem is to find indices i, j, such that b,+b, = x . suggest a data structure and/or an algorithm for answering such questions and analyze their complexity. (try to optimize the asymptotic complexity of your solution.)
Answers: 3
Computers and Technology, 22.06.2019 15:50
The file sales data.xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel.xlsm to find a nice color of gray.)
Answers: 2
Computers and Technology, 23.06.2019 10:20
Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?
Answers: 1
Computers and Technology, 23.06.2019 20:30
1. for which of the following are you not required to signal beforehand? a. changing lanes b. speeding up c. stopping
Answers: 2
An integer x and a sequence , of integers is given. the problem is to find indices i, j, such that b...
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