山东科技大学
第一章The algorithm and flowchart can help us to
To store the data
Specify the problem completely and clearly
Identify the data type of a variable
答案:Specify the problem completely and clearly
The rhombus or diamond shape in flowcharting denotes
Initialization
Input
Decision
答案:Decision
Which of the following is not an advantage of a flowchart?
Efficient coding
Systematic testing
Improper documentation
答案:Improper documentation
The flowchart symbols used for start and stop operations are called as_______.
connectors
terminals
processing
答案:terminals
The formula Fn = Fn-1+Fn-2 will produce
Ramanujan Number
Euler Number
Fibonacci Number
答案:Fibonacci Number
The main measures for the efficiency of an algorithm are
Processor and memory
Time and space
Complexity and capacity
答案:Time and space
Which one of the following is the constant time complexity in terms of Big-Oh notation
O(1)
O(n2)
O(n3)
答案:O(1)
What is the time complexity of the following code? int a=0; for(i=0;i<n;i++){ for(j=n;j>i;j--){ a=a+i+j;}}
O(1)
O(n2)
O(nlogn)
答案:O(n2)
Which one of the following is an example for exponential time complexity?
O(n)
O(2n)
O(n2)
答案:O(2n)
For larger values of n, which one represents the slowest time?
O(n!)
O(n2)
O(2n)
答案:O(n!)
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