Question

Given this pseudocode:

  input: sequence of numbers a_k
k, length of sequence

answer := a₁

for i = 2 to k
if (a_i > answer), then answer = a_i
End-for

What is the value of answer for the sequence {-1, 4, -7, 10, 2} with k = 5?

Please provide detailed answer! Thank you!

Answer 1

Here a1 = -1, a2=4, a3=-7, a4=10, a5=2

answer=a1=-1

The loop will run from i=2 to 5.

@ i= 2 , a2>answer, so answer => 4

@ i= 3 , a3! >answer , so value of answer remains same ie 4.

@ i=4 , a4>answer is True, so answer = a4= 10

@ i=5 , a5>answer is False, so value of answer remains unchanged.

Thus the value of answer is 10.

The given sequence is finding maximum value of the given sequence.

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