May I ask what is wrong with line 17 of my code? How to correct it? Thanks 1def longestIncreasingSubsequence(s: List[Int]): List[Int] = {2 val n = s.length3val dp = Array.fill (n) (1)4for (i <- 1 until n) {5for (j <-0 until i) {6if (s(j) < s(i)) {7dp (i) = math.max(dp(i), dp(j) + 1)8910111213141516171819202122PROBLEMS}}val maxLength = dp.maxvar subsequence = List[Int]()var index = n - 1}}while (subsequence.length < maxLength && index >= 0) {if (dp (index) ==maxLength) {subsequence = s(index) :: subsequencemaxLength -= 1}index -= 1subsequenceOUTPUT DEBUG CONSOLE TERMINALpolynomials.spec.scala a03-polynomials\src\test\scala-3 1value = is not a member of Int - did you mean maxLength.!=? bloop(8) [Ln 17, Col 6]

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May I ask what is wrong with line 17 of my code? How to correct it? Thanks

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

May I ask what is wrong with line 17 of my code? How to correct it? Thanks

1
def longestIncreasingSubsequence(s: List[Int]): List[Int] = {
2 val n = s.length
3
val dp = Array.fill (n) (1)
4
for (i <- 1 until n) {
5
for (j <-0 until i) {
6
if (s(j) < s(i)) {
7
dp (i) = math.max(dp(i), dp(j) + 1)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
PROBLEMS
}
}
val maxLength = dp.max
var subsequence = List[Int]()
var index = n - 1
}
}
while (subsequence.length < maxLength && index >= 0) {
if (dp (index) ==maxLength) {
subsequence = s(index) :: subsequence
maxLength -= 1
}
index -= 1
subsequence
OUTPUT DEBUG CONSOLE TERMINAL
polynomials.spec.scala a03-polynomials\src\test\scala-3 1
value = is not a member of Int - did you mean maxLength.!=? bloop(8) [Ln 17, Col 6]

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